diff --git a/WORKSPACE b/WORKSPACE
index 0dd025e3f..7a489edb0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -55,10 +55,10 @@ http_archive(
     name = "slang",
     build_file = "slang.BUILD",
     patches = ["//external:slang.patch"],
-    sha256 = "eea4b20751fa6394647330518c9b0c46c8248fea984c91a8a8bfe01a8a04567e",
-    strip_prefix = "slang-458be618a58aa1896398eccc1ddf75b880afaab6",
+    sha256 = "220d332466701b613e61794d977cb57ecb7ea7e91d24c2cdf3bacbaa8fa638d4",
+    strip_prefix = "slang-efc9edc49f6d487cedf7c71cf96af8f45b31bd29",
     urls = [
-        "https://github.com/MikePopoloski/slang/archive/458be618a58aa1896398eccc1ddf75b880afaab6.zip",
+        "https://github.com/MikePopoloski/slang/archive/efc9edc49f6d487cedf7c71cf96af8f45b31bd29.zip",
     ],
 )