diff --git a/package.json b/package.json
index e75c394..42ac6fb 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@effect/schema": "^0.71.1",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   },
   "devDependencies": {
     "@rollup/plugin-inject": "^5.0.5",
diff --git a/packages/components/add-provider/package.json b/packages/components/add-provider/package.json
index a943e55..9df51ab 100644
--- a/packages/components/add-provider/package.json
+++ b/packages/components/add-provider/package.json
@@ -11,7 +11,7 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/components-ui-atoms": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/albums/package.json b/packages/components/albums/package.json
index f2106bf..a105328 100644
--- a/packages/components/albums/package.json
+++ b/packages/components/albums/package.json
@@ -11,7 +11,7 @@
     "@echo/components-icons": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/artists/package.json b/packages/components/artists/package.json
index be9767f..f76e3e9 100644
--- a/packages/components/artists/package.json
+++ b/packages/components/artists/package.json
@@ -10,9 +10,9 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1",
     "@lit-labs/router": "^0.1.3"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/components/command-bar/package.json b/packages/components/command-bar/package.json
index b7eb01e..bf0a95e 100644
--- a/packages/components/command-bar/package.json
+++ b/packages/components/command-bar/package.json
@@ -10,8 +10,8 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/components/header/package.json b/packages/components/header/package.json
index 4b45cb1..d4e0343 100644
--- a/packages/components/header/package.json
+++ b/packages/components/header/package.json
@@ -13,7 +13,7 @@
     "@echo/components-provider-status": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/icons/package.json b/packages/components/icons/package.json
index f3e9769..b170d35 100644
--- a/packages/components/icons/package.json
+++ b/packages/components/icons/package.json
@@ -10,8 +10,8 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/components/initial-setup/package.json b/packages/components/initial-setup/package.json
index 4fdb72b..3332712 100644
--- a/packages/components/initial-setup/package.json
+++ b/packages/components/initial-setup/package.json
@@ -11,7 +11,7 @@
     "@echo/components-ui-atoms": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/library/package.json b/packages/components/library/package.json
index 8faa4b1..6cb962e 100644
--- a/packages/components/library/package.json
+++ b/packages/components/library/package.json
@@ -13,7 +13,7 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/context": "^1.1.2"
   }
diff --git a/packages/components/player/package.json b/packages/components/player/package.json
index aab6093..a9ca761 100644
--- a/packages/components/player/package.json
+++ b/packages/components/player/package.json
@@ -12,7 +12,7 @@
     "@echo/components-ui-atoms": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/provider-status/package.json b/packages/components/provider-status/package.json
index 7c56ce8..421eaef 100644
--- a/packages/components/provider-status/package.json
+++ b/packages/components/provider-status/package.json
@@ -13,7 +13,7 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/components-ui-atoms": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/shared-controllers/package.json b/packages/components/shared-controllers/package.json
index aef3b90..6485c9d 100644
--- a/packages/components/shared-controllers/package.json
+++ b/packages/components/shared-controllers/package.json
@@ -9,7 +9,7 @@
   "dependencies": {
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/components/ui-atoms/package.json b/packages/components/ui-atoms/package.json
index 60247ad..179ac1c 100644
--- a/packages/components/ui-atoms/package.json
+++ b/packages/components/ui-atoms/package.json
@@ -10,8 +10,8 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/core/types/package.json b/packages/core/types/package.json
index 49e291d..472e3f5 100644
--- a/packages/core/types/package.json
+++ b/packages/core/types/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@effect/schema": "^0.71.1",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/core/types/src/services/player.ts b/packages/core/types/src/services/player.ts
index 7cd04d8..04f8e88 100644
--- a/packages/core/types/src/services/player.ts
+++ b/packages/core/types/src/services/player.ts
@@ -45,7 +45,7 @@ export type IPlayer = {
    * Returns a stream that emits the current player state and any subsequent
    * changes to it.
    */
-  readonly observe: SubscriptionRef.SubscriptionRef<PlayerState>;
+  readonly observe: Effect.Effect<SubscriptionRef.SubscriptionRef<PlayerState>>;
 };
 
 /**
diff --git a/packages/core/types/src/services/provider-status.ts b/packages/core/types/src/services/provider-status.ts
index 634977c..1687944 100644
--- a/packages/core/types/src/services/provider-status.ts
+++ b/packages/core/types/src/services/provider-status.ts
@@ -15,7 +15,9 @@ export type IMediaProviderStatus = {
    * Returns a subscription ref that holds the current status of a specific
    * provider, while also allowing to observe changes to it.
    */
-  readonly observe: SubscriptionRef.SubscriptionRef<StateByProvider>;
+  readonly observe: Effect.Effect<
+    SubscriptionRef.SubscriptionRef<StateByProvider>
+  >;
 };
 
 /**
diff --git a/packages/infrastructure/broadcast-channel/package.json b/packages/infrastructure/broadcast-channel/package.json
index 5e7224cf..ad24767 100644
--- a/packages/infrastructure/broadcast-channel/package.json
+++ b/packages/infrastructure/broadcast-channel/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/infrastructure/browser-crypto/package.json b/packages/infrastructure/browser-crypto/package.json
index 09d6a50..372133a 100644
--- a/packages/infrastructure/browser-crypto/package.json
+++ b/packages/infrastructure/browser-crypto/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/infrastructure/browser-local-storage/package.json b/packages/infrastructure/browser-local-storage/package.json
index fe5026d..2199a3c 100644
--- a/packages/infrastructure/browser-local-storage/package.json
+++ b/packages/infrastructure/browser-local-storage/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/infrastructure/dexie-database/package.json b/packages/infrastructure/dexie-database/package.json
index 81e1d01..c08db48 100644
--- a/packages/infrastructure/dexie-database/package.json
+++ b/packages/infrastructure/dexie-database/package.json
@@ -12,6 +12,6 @@
     "@echo/core-strings": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "dexie": "^4.0.7",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/infrastructure/html-audio-media-player/package.json b/packages/infrastructure/html-audio-media-player/package.json
index 7aeae88..89310d7 100644
--- a/packages/infrastructure/html-audio-media-player/package.json
+++ b/packages/infrastructure/html-audio-media-player/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/infrastructure/mmb-metadata-provider/package.json b/packages/infrastructure/mmb-metadata-provider/package.json
index a81c4c1..daa0a54 100644
--- a/packages/infrastructure/mmb-metadata-provider/package.json
+++ b/packages/infrastructure/mmb-metadata-provider/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@echo/core-types": "^1.0.0",
     "buffer": "^6.0.3",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "music-metadata": "^10.0.0",
     "process": "^0.11.10"
   }
diff --git a/packages/infrastructure/onedrive-provider/package.json b/packages/infrastructure/onedrive-provider/package.json
index 47093e9..fab2a17 100644
--- a/packages/infrastructure/onedrive-provider/package.json
+++ b/packages/infrastructure/onedrive-provider/package.json
@@ -13,7 +13,7 @@
     "@echo/core-dates": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@microsoft/microsoft-graph-client": "^3.0.7",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   },
   "devDependencies": {
     "@microsoft/microsoft-graph-types": "^2.40.0"
diff --git a/packages/infrastructure/spotify-artist-image-provider/package.json b/packages/infrastructure/spotify-artist-image-provider/package.json
index f6c5a09..1fb10af 100644
--- a/packages/infrastructure/spotify-artist-image-provider/package.json
+++ b/packages/infrastructure/spotify-artist-image-provider/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/active-media-provider-cache/package.json b/packages/services/active-media-provider-cache/package.json
index b1e1583..76c32b9 100644
--- a/packages/services/active-media-provider-cache/package.json
+++ b/packages/services/active-media-provider-cache/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/add-provider-workflow/package.json b/packages/services/add-provider-workflow/package.json
index 8b229d6..a067f77 100644
--- a/packages/services/add-provider-workflow/package.json
+++ b/packages/services/add-provider-workflow/package.json
@@ -12,6 +12,6 @@
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap": "^1.0.0",
     "@effect/experimental": "^0.23.4",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/app-init/package.json b/packages/services/app-init/package.json
index 29314cd..d0716d5 100644
--- a/packages/services/app-init/package.json
+++ b/packages/services/app-init/package.json
@@ -13,6 +13,6 @@
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap": "^1.0.0",
     "@echo/services-bootstrap-workers": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/bootstrap-runtime/package.json b/packages/services/bootstrap-runtime/package.json
index 02ba2a1..7fe6003 100644
--- a/packages/services/bootstrap-runtime/package.json
+++ b/packages/services/bootstrap-runtime/package.json
@@ -15,6 +15,6 @@
     "@echo/services-bootstrap": "^1.0.0",
     "@echo/services-library": "^1.0.0",
     "@echo/services-player": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/bootstrap-workers/package.json b/packages/services/bootstrap-workers/package.json
index 89baca0..1b9b4c8 100644
--- a/packages/services/bootstrap-workers/package.json
+++ b/packages/services/bootstrap-workers/package.json
@@ -11,6 +11,6 @@
   "dependencies": {
     "@echo/core-types": "^1.0.0",
     "@echo/workers-media-provider": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/bootstrap/package.json b/packages/services/bootstrap/package.json
index c973eea..9f48bb9 100644
--- a/packages/services/bootstrap/package.json
+++ b/packages/services/bootstrap/package.json
@@ -21,6 +21,6 @@
     "@echo/services-active-media-provider-cache": "^1.0.0",
     "@echo/services-media-provider-status": "^1.0.0",
     "@echo/workers-media-provider": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/library/package.json b/packages/services/library/package.json
index 0ec28ae..95b0a59 100644
--- a/packages/services/library/package.json
+++ b/packages/services/library/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/media-provider-status/index.ts b/packages/services/media-provider-status/index.ts
index c79823a..5272ef0 100644
--- a/packages/services/media-provider-status/index.ts
+++ b/packages/services/media-provider-status/index.ts
@@ -20,7 +20,7 @@ export const MediaProviderStatusLive = Layer.effect(
     });
 
     return MediaProviderStatus.of({
-      observe: stateByProviderRef,
+      observe: Effect.sync(() => stateByProviderRef),
     });
   }),
 );
diff --git a/packages/services/media-provider-status/package.json b/packages/services/media-provider-status/package.json
index d361ccc..195074e 100644
--- a/packages/services/media-provider-status/package.json
+++ b/packages/services/media-provider-status/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/player/package.json b/packages/services/player/package.json
index 6e9b219..53a5196 100644
--- a/packages/services/player/package.json
+++ b/packages/services/player/package.json
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/packages/services/player/src/player.ts b/packages/services/player/src/player.ts
index 113f90e..c3558fb 100644
--- a/packages/services/player/src/player.ts
+++ b/packages/services/player/src/player.ts
@@ -126,7 +126,7 @@ const makePlayer = Effect.gen(function* () {
       );
     }),
     skip: commandQueue.offer(NextTrack()),
-    observe: state,
+    observe: Effect.sync(() => state),
   });
 });
 
diff --git a/packages/web/package.json b/packages/web/package.json
index ae5f3d3..2550d76 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -18,7 +18,7 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/packages/workers/media-provider/package.json b/packages/workers/media-provider/package.json
index 667c2c2..39842da 100644
--- a/packages/workers/media-provider/package.json
+++ b/packages/workers/media-provider/package.json
@@ -16,6 +16,6 @@
     "@echo/infrastructure-browser-crypto": "^1.0.0",
     "@echo/services-bootstrap": "^1.0.0",
     "@effect/schema": "^0.71.1",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/tools/plop-templates/components/template/package.json.hbs b/tools/plop-templates/components/template/package.json.hbs
index 3873086..85fec1c 100644
--- a/tools/plop-templates/components/template/package.json.hbs
+++ b/tools/plop-templates/components/template/package.json.hbs
@@ -10,7 +10,7 @@
     "@echo/components-shared-controllers": "^1.0.0",
     "@echo/core-types": "^1.0.0",
     "@echo/services-bootstrap-runtime": "^1.0.0",
-    "effect": "^3.6.5",
+    "effect": "^3.8.3",
     "lit": "^3.2.0",
     "@lit/task": "^1.0.1"
   }
diff --git a/tools/plop-templates/infrastructure/template/package.json.hbs b/tools/plop-templates/infrastructure/template/package.json.hbs
index 8dde619..c4e8472 100644
--- a/tools/plop-templates/infrastructure/template/package.json.hbs
+++ b/tools/plop-templates/infrastructure/template/package.json.hbs
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/tools/plop-templates/services/template/package.json.hbs b/tools/plop-templates/services/template/package.json.hbs
index 1d3c0e3..d8263e6 100644
--- a/tools/plop-templates/services/template/package.json.hbs
+++ b/tools/plop-templates/services/template/package.json.hbs
@@ -10,6 +10,6 @@
   },
   "dependencies": {
     "@echo/core-types": "^1.0.0",
-    "effect": "^3.6.5"
+    "effect": "^3.8.3"
   }
 }
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 8b802f7..3f51917 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1050,10 +1050,10 @@ dot-case@^3.0.4:
     no-case "^3.0.4"
     tslib "^2.0.3"
 
-effect@^3.6.5:
-  version "3.6.5"
-  resolved "https://registry.yarnpkg.com/effect/-/effect-3.6.5.tgz#be177847e69273ea9ed95bebe03bd672c5af474b"
-  integrity sha512-NhopZTAKljaAlR0CEroOAJJngdqg7bzlnWcDrCwh4d2WNVohVbBtUS4SGqLt8tUy7IFsTWATYiUtmhDG+YELjA==
+effect@^3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/effect/-/effect-3.8.3.tgz#37a78c4c91d2eebdc315bf2d55a07aea443cd869"
+  integrity sha512-ZHTNRik0mJWK+g12/HHwsouOux0OE2v+qRD7zsEJLtZ1RJdrlxvCpSXdJ+KgOqJ4wigIToDSb5e5HG885uKs/w==
 
 emoji-regex@^10.3.0:
   version "10.3.0"