diff --git a/Pipfile b/Pipfile
index c6f0c0c..767e622 100644
--- a/Pipfile
+++ b/Pipfile
@@ -10,6 +10,7 @@ nuclio-sdk = {editable = true,path = "."}
 flake8 = "*"
 twine = "*"
 bleach = "==3.3.0"
+build = ">0.2"
 
 [scripts]
 build = "python -m build --sdist --wheel --outdir dist/"
diff --git a/Pipfile.lock b/Pipfile.lock
index a9973bb..9d6c7cd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "545fae6c1fe48a665f4b3114a751412a931a3878dc579d2b182aaeaa9de5925b"
+            "sha256": "02c53d3e48e8899327ec006966227df01cc32a32831081a5993d68b3909d665b"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -28,6 +28,14 @@
             "index": "pypi",
             "version": "==3.3.0"
         },
+        "build": {
+            "hashes": [
+                "sha256:0281eeec2697ee43114eb4fe3ba6e54c111ee2c4ef287b5cd24f82cb24cc1bdb",
+                "sha256:16897cac845b50cca04f3c92cf8d3e9e0868b21b29b96b577333c14473baa916"
+            ],
+            "index": "pypi",
+            "version": "==0.5.1"
+        },
         "certifi": {
             "hashes": [
                 "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
@@ -106,6 +114,13 @@
             "markers": "python_version >= '3.6'",
             "version": "==21.0"
         },
+        "pep517": {
+            "hashes": [
+                "sha256:3fa6b85b9def7ba4de99fb7f96fe3f02e2d630df8aa2720a5cf3b183f087a738",
+                "sha256:e1ba5dffa3a131387979a68ff3e391ac7d645be409216b961bc2efe6468ab0b2"
+            ],
+            "version": "==0.11.0"
+        },
         "pkginfo": {
             "hashes": [
                 "sha256:37ecd857b47e5f55949c41ed061eb51a0bee97a87c969219d144c0e023982779",
@@ -142,7 +157,7 @@
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "readme-renderer": {
@@ -179,9 +194,25 @@
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
                 "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.16.0"
         },
+        "toml": {
+            "hashes": [
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
+            ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
+        },
+        "tomli": {
+            "hashes": [
+                "sha256:056f0376bf5a6b182c513f9582c1e5b0487265eb6c48842b69aa9ca1cd5f640a",
+                "sha256:d60e681734099207a6add7a10326bc2ddd1fdc36c1b0f547d00ef73ac63739c2"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==1.2.0"
+        },
         "tqdm": {
             "hashes": [
                 "sha256:3642d483b558eec80d3c831e23953582c34d7e4540db86d9e5ed9dad238dabc6",
@@ -227,7 +258,7 @@
                 "sha256:957cfda87797e389580cb8b9e3870841ca991e2125350677b2ca83a0e99390a3",
                 "sha256:f5812b1e007e48cff63449a5e9f4e7ebea716b4111f9c4f9a645f91d579bf0c4"
             ],
-            "markers": "python_version >= '3.6'",
+            "markers": "python_version < '3.8'",
             "version": "==3.5.0"
         }
     }