diff --git a/internal/rosa/package/glslang.az b/internal/rosa/package/glslang.az
index 4966649e..819a80fb 100644
--- a/internal/rosa/package/glslang.az
+++ b/internal/rosa/package/glslang.az
@@ -3,11 +3,11 @@ package glslang {
 	website = "https://github.com/KhronosGroup/glslang";
 	anitya = 205796;
 
-	version# = "16.3.0";
+	version# = "16.4.0";
 	source = remoteGitHub {
 		suffix = "KhronosGroup/glslang";
 		tag = version;
-		checksum = "xyqDf8k3-D0_BXHGi0uLgMglnJ05Rf3j73QgbDs3sGtKNdBIQhY8JfqX1NcNoJQN";
+		checksum = "u67ps8Fv_75QDiusvKjzgttPPPxb5V7HsObb0q6OvqQfHh0UGN2_x8Y0RKb9JEie";
 	};
 
 	// test suite writes to source