diff --git a/pkgs/development/libraries/icu/54.1.nix b/pkgs/development/libraries/icu/54.1.nix
index 4d780341b3a..cd4398b3cc0 100644
--- a/pkgs/development/libraries/icu/54.1.nix
+++ b/pkgs/development/libraries/icu/54.1.nix
@@ -6,7 +6,7 @@ in
   stdenv.lib.overrideDerivation icu (attrs: {
     src = fetchurl {
       url = "http://download.icu-project.org/files/icu4c/54.1/icu4c-54_1-src.tgz";
-      md5 = "e844caed8f2ca24c088505b0d6271bc0";
+      sha256 = "1cwapgjmvrcv1n2wjspj3vahidg596gjfp4jn1gcb4baralcjayl";
     };
   })