diff --git a/Cargo.toml b/Cargo.toml
index 9b4189d..3914996 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ lz4_flex = { version = "0.11.3", optional = true }
 min-max-heap = "1.3.0"
 miniz_oxide = { version = "0.7.3", optional = true }
 path-absolutize = "3.1.1"
-quick_cache = "0.5.1"
+quick_cache = "0.6.0"
 serde = { version = "1.0.200", optional = true, features = ["derive", "rc"] }
 tempfile = "3.10.1"
 
diff --git a/src/blob_cache.rs b/src/blob_cache.rs
index 045c9cb..fdd0a98 100644
--- a/src/blob_cache.rs
+++ b/src/blob_cache.rs
@@ -22,11 +22,9 @@ impl From<(ValueLogId, ValueHandle)> for CacheKey {
 struct BlobWeighter;
 
 impl Weighter<CacheKey, Item> for BlobWeighter {
-    // NOTE: quick_cache only supports u32 as weight, but that's fine
-    // 4 GB blobs are too big anyway
     #[allow(clippy::cast_possible_truncation)]
-    fn weight(&self, _: &CacheKey, blob: &Item) -> u32 {
-        blob.len() as u32
+    fn weight(&self, _: &CacheKey, blob: &Item) -> u64 {
+        blob.len() as u64
     }
 }