diff --git a/toolchains/go/MODULE.bazel b/toolchains/go/MODULE.bazel
index 646cebd1..2f877f64 100644
--- a/toolchains/go/MODULE.bazel
+++ b/toolchains/go/MODULE.bazel
@@ -4,6 +4,10 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "rules_go", repo_name = "io_bazel_rules_go", version = "0.39.1")
 bazel_dep(name = "bazel_skylib", version = "1.0.3")
 bazel_dep(name = "platforms", version = "0.0.4")
diff --git a/toolchains/java/MODULE.bazel b/toolchains/java/MODULE.bazel
index 5c7a6ed6..393e61ea 100644
--- a/toolchains/java/MODULE.bazel
+++ b/toolchains/java/MODULE.bazel
@@ -4,6 +4,10 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "rules_java", version = "7.3.1")
 bazel_dep(name = "bazel_skylib", version = "1.0.3")
 
diff --git a/toolchains/nodejs/MODULE.bazel b/toolchains/nodejs/MODULE.bazel
index 9b154e7c..85ef3a3d 100644
--- a/toolchains/nodejs/MODULE.bazel
+++ b/toolchains/nodejs/MODULE.bazel
@@ -4,6 +4,10 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "platforms", version = "0.0.4")
 bazel_dep(name = "rules_nodejs", version = "5.5.3")
 bazel_dep(name = "bazel_skylib", version = "1.0.3")
diff --git a/toolchains/posix/MODULE.bazel b/toolchains/posix/MODULE.bazel
index 3693ab74..b25c2478 100644
--- a/toolchains/posix/MODULE.bazel
+++ b/toolchains/posix/MODULE.bazel
@@ -4,5 +4,9 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "rules_sh", version = "0.3.0")
 bazel_dep(name = "bazel_skylib", version = "1.0.3")
diff --git a/toolchains/python/MODULE.bazel b/toolchains/python/MODULE.bazel
index a867e1ae..d9ebe436 100644
--- a/toolchains/python/MODULE.bazel
+++ b/toolchains/python/MODULE.bazel
@@ -4,4 +4,8 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "bazel_skylib", version = "1.0.3")
diff --git a/toolchains/rust/MODULE.bazel b/toolchains/rust/MODULE.bazel
index b3d35717..cdacfe52 100644
--- a/toolchains/rust/MODULE.bazel
+++ b/toolchains/rust/MODULE.bazel
@@ -4,5 +4,9 @@ module(
 )
 
 bazel_dep(name = "rules_nixpkgs_core", version = "0.12.0")
+local_path_override(
+   module_name = "rules_nixpkgs_core",
+   path = "../../core",
+)
 bazel_dep(name = "bazel_skylib", version = "1.5.0")
 bazel_dep(name = "rules_rust", version = "0.35.0")