diff --git a/pkgs/development/tools/ammonite/default.nix b/pkgs/development/tools/ammonite/default.nix
index 13b0e8d2570..784a8723336 100644
--- a/pkgs/development/tools/ammonite/default.nix
+++ b/pkgs/development/tools/ammonite/default.nix
@@ -9,7 +9,7 @@ let
   common = { scalaVersion, sha256 }:
     stdenv.mkDerivation rec {
       pname = "ammonite";
-      version = "2.5.0";
+      version = "2.5.1";
 
       src = fetchurl {
         url =
@@ -83,10 +83,10 @@ let
 in {
   ammonite_2_12 = common {
     scalaVersion = "2.12";
-    sha256 = "sha256-JTW1xb+eCb0yhzrA1ntmalP88JoUo+KrjOBvs+cuE/A=";
+    sha256 = "sha256-XV+SPZD7IirLJDqwn/eV8/Wf8m3dSSW0DF3IcBPcixA=";
   };
   ammonite_2_13 = common {
     scalaVersion = "2.13";
-    sha256 = "sha256-l5kGPP8tuYi16t6u8ZeAY54yqAWJZR5UuopSGQ69v9Y=";
+    sha256 = "sha256-rq8SLtj0rb35vcvPsCzhDGR93EjHoU6KAhEjs2WIA6o=";
   };
 }