diff --git a/backend/lambdas/api/repo/setup.py b/backend/lambdas/api/repo/setup.py
index 93683c40..ba9f2446 100644
--- a/backend/lambdas/api/repo/setup.py
+++ b/backend/lambdas/api/repo/setup.py
@@ -21,7 +21,12 @@
     url=("https://github.com/warnermedia/artemis/backend/lambdas/api/repo"),
     packages=find_packages(),
     setup_requires=["pytest-runner"],
-    install_requires=["requests", "urllib3<2", "graphql_query"],  # https://github.com/boto/botocore/issues/2926
+    install_requires=[
+        "requests",
+        "urllib3<2",  # https://github.com/boto/botocore/issues/2926
+        "graphql_query",
+        "pydantic_core",
+    ],
     tests_require=["pytest"],
     classifiers=[
         "Programming Language :: Python :: 3.9",
diff --git a/backend/lambdas/scheduled/update_github_org_users/setup.py b/backend/lambdas/scheduled/update_github_org_users/setup.py
index 188263f6..536f93c0 100644
--- a/backend/lambdas/scheduled/update_github_org_users/setup.py
+++ b/backend/lambdas/scheduled/update_github_org_users/setup.py
@@ -21,7 +21,7 @@
     url=("https://github.com/warnermedia/artemis/backend/lambdas/scheduled/update_github_org_users"),
     packages=find_packages(),
     setup_requires=["pytest-runner"],
-    install_requires=["graphql_query"],
+    install_requires=["graphql_query", "pydantic_core"],
     tests_require=["pytest"],
     classifiers=[
         "Programming Language :: Python :: 3.9",