diff --git a/toolchain/repositories.bzl b/toolchain/repositories.bzl
index 4c6f2ff..0f29c12 100644
--- a/toolchain/repositories.bzl
+++ b/toolchain/repositories.bzl
@@ -27,10 +27,10 @@ def gcc_toolchain_dependencies():
         http_archive,
         name = "bazel_skylib",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
-            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.4.0/bazel-skylib-1.4.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.4.0/bazel-skylib-1.4.0.tar.gz",
         ],
-        sha256 = "74d544d96f4a5bb630d465ca8bbcfe231e3594e5aae57e1edbf17a6eb3ca2506",
+        sha256 = "f24ab666394232f834f74d19e2ff142b0af17466ea0c69a3f4c276ee75f6efce",
     )
 
     maybe(