diff --git a/Pipfile b/Pipfile
index 613afef..cd39772 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,7 +9,7 @@ ipykernel = "*"
 pygit2 = "*"
 pyyaml = "*"
 requests = "*"
-typeguard = "*"
+typeguard = ">=2.13.3,<3"
 
 [dev-packages]
 jupyterlab = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 4ae496c..06c1f30 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "43e589d44766a372f3109f5c94e82297113a5a9bfe4ea0d76391c08f183715d4"
+            "sha256": "fbdf3aa68515abf48a423cac3dbaccf35df81f94ade54e1a034b09ac3541f827"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -445,7 +445,7 @@
                 "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86",
                 "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==2.8.2"
         },
         "pyyaml": {
@@ -590,7 +590,7 @@
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
                 "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==1.16.0"
         },
         "stack-data": {
@@ -627,11 +627,11 @@
         },
         "typeguard": {
             "hashes": [
-                "sha256:194fb3dbcb06ea9caf7088f3befee014de57961689f9c859ac5239b1ef61d987",
-                "sha256:c4a40af0ba8a41077221271b46d0a6d8d46045443e4d887887c69254ca861952"
+                "sha256:00edaa8da3a133674796cf5ea87d9f4b4c367d77476e185e80251cc13dfbb8c4",
+                "sha256:5e3e3be01e887e7eafae5af63d1f36c849aaa94e3a0112097312aabfa16284f1"
             ],
             "index": "pypi",
-            "version": "==4.0.0"
+            "version": "==2.13.3"
         },
         "urllib3": {
             "hashes": [
@@ -1475,7 +1475,7 @@
                 "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86",
                 "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==2.8.2"
         },
         "python-json-logger": {
@@ -1652,7 +1652,7 @@
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
                 "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==1.16.0"
         },
         "smmap": {
@@ -1729,11 +1729,11 @@
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:06006244c70ac8ee83fa8282cb188f697b8db25bc8b4df07be1873c43897060c",
-                "sha256:3a8b36f13dd5fdc5d1b16fe317f5668545de77fa0b8e02006381fd49d731ab98"
+                "sha256:88a4153d8505aabbb4e13aacb7c486c2b4a33ca3b3f807914a9b4c844c471c26",
+                "sha256:d91d5919357fe7f681a9f2b5b4cb2a5f1ef0a1e9f59c4d8ff0d3491e05c0ffd5"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==4.6.2"
+            "version": "==4.6.3"
         },
         "uri-template": {
             "hashes": [