diff --git a/README.md b/README.md
index 87950ce..873a4a8 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ http_archive(
     name = "bazel-zig-cc",
     sha256 = "defdb86f90dbaa1101b3b6cd74ed9a1e38353db4d33560878f3307c1f32838d8",
     strip_prefix = "bazel-zig-cc-{}".format(BAZEL_ZIG_CC_VERSION),
-    urls = ["https://git.sr.ht/~motiejus/bazel-zig-cc/archive/{}.{_ext}".format(BAZEL_ZIG_CC_VERSION)],
+    urls = ["https://git.sr.ht/~motiejus/bazel-zig-cc/archive/{}.tar.gz".format(BAZEL_ZIG_CC_VERSION)],
 )
 
 load("@bazel-zig-cc//toolchain:defs.bzl", zig_toolchains = "toolchains")
diff --git a/relnotes.awk b/relnotes.awk
index a24720a..3ac8a2f 100755
--- a/relnotes.awk
+++ b/relnotes.awk
@@ -14,7 +14,7 @@ BEGIN {stage=0};
     print "    name = \"bazel-zig-cc\","
     print "    sha256 = \""sha256sum"\","
     print "    strip_prefix = \"bazel-zig-cc-{}\".format(BAZEL_ZIG_CC_VERSION),"
-    print "    urls = [\"https://git.sr.ht/~motiejus/bazel-zig-cc/archive/{}.{_ext}\".format(BAZEL_ZIG_CC_VERSION)],"
+    print "    urls = [\"https://git.sr.ht/~motiejus/bazel-zig-cc/archive/{}.tar.gz\".format(BAZEL_ZIG_CC_VERSION)],"
     print ")"
     stage=1
     next