diff --git a/bazel_versions.bzl b/bazel_versions.bzl
deleted file mode 100644
index 4b6ee2a73..000000000
--- a/bazel_versions.bzl
+++ /dev/null
@@ -1,7 +0,0 @@
-SUPPORTED_BAZEL_VERSIONS = [
-    "4.1.0",
-]
-
-SUPPORTED_NIXPKGS_BAZEL_PACKAGES = [
-    "bazel_4",
-]
diff --git a/haskell/private/versions.bzl b/haskell/private/versions.bzl
index 689d7fe25..628753bfd 100644
--- a/haskell/private/versions.bzl
+++ b/haskell/private/versions.bzl
@@ -10,6 +10,15 @@
 # in this file executes (and there's no way to execute it later; see first
 # paragraph above).
 
+SUPPORTED_BAZEL_VERSIONS = [
+    "4.0.0",
+    "4.2.2",
+]
+
+SUPPORTED_NIXPKGS_BAZEL_PACKAGES = [
+    "bazel_4",
+]
+
 def _parse_version_chunk(version_chunk):
     """
     Args:
@@ -112,8 +121,8 @@ def check_bazel_version(minimum_bazel_version, maximum_bazel_version = None, baz
     return (True, "")
 
 def check_bazel_version_compatible(actual_version):
-    min_bazel = "4.0.0"  # Change THIS LINE when changing bazel min version
-    max_bazel = "4.2.2"  # Change THIS LINE when changing bazel max version
+    min_bazel = SUPPORTED_BAZEL_VERSIONS[0]
+    max_bazel = SUPPORTED_BAZEL_VERSIONS[-1]
 
     (compatible, msg) = check_bazel_version(min_bazel, max_bazel, actual_version)
 
diff --git a/tests/integration_testing/dependencies.bzl b/tests/integration_testing/dependencies.bzl
index 80015854b..9bd779f9d 100644
--- a/tests/integration_testing/dependencies.bzl
+++ b/tests/integration_testing/dependencies.bzl
@@ -1,7 +1,7 @@
 load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_package")
 load("@contrib_rules_bazel_integration_test//bazel_integration_test:defs.bzl", "bazel_binaries")
 load(
-    "//:bazel_versions.bzl",
+    "//haskell:private/versions.bzl",
     "SUPPORTED_BAZEL_VERSIONS",
     "SUPPORTED_NIXPKGS_BAZEL_PACKAGES",
 )
diff --git a/tests/integration_testing/rules_haskell_integration_test.bzl b/tests/integration_testing/rules_haskell_integration_test.bzl
index 840943b3c..64e688627 100644
--- a/tests/integration_testing/rules_haskell_integration_test.bzl
+++ b/tests/integration_testing/rules_haskell_integration_test.bzl
@@ -4,7 +4,7 @@ load(
     "integration_test_utils",
 )
 load(
-    "//:bazel_versions.bzl",
+    "//haskell:private/versions.bzl",
     "SUPPORTED_BAZEL_VERSIONS",
     "SUPPORTED_NIXPKGS_BAZEL_PACKAGES",
 )