diff --git a/pkgs/development/tools/ceedling/Gemfile.lock b/pkgs/development/tools/ceedling/Gemfile.lock
index 8bfdb142d5bc..e7a6b7c7082c 100644
--- a/pkgs/development/tools/ceedling/Gemfile.lock
+++ b/pkgs/development/tools/ceedling/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    ceedling (1.0.0)
+    ceedling (1.0.1)
       constructor (~> 2)
       deep_merge (~> 1.2)
       diy (~> 1.1)
@@ -26,4 +26,4 @@ DEPENDENCIES
   ceedling
 
 BUNDLED WITH
-   2.5.22
+   2.5.9
diff --git a/pkgs/development/tools/ceedling/gemset.nix b/pkgs/development/tools/ceedling/gemset.nix
index e1fc919025ba..6c5566eb12e7 100644
--- a/pkgs/development/tools/ceedling/gemset.nix
+++ b/pkgs/development/tools/ceedling/gemset.nix
@@ -12,10 +12,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1c6f8gypc86rc7ww3c2lcqy0z08ksdzjdw0zkdd9whairx6flhvl";
+      sha256 = "05iacl7p408b4p47khhvpp9hf00smb70x1qj8xmw50mdq2vng6gn";
       type = "gem";
     };
-    version = "1.0.0";
+    version = "1.0.1";
   };
   constructor = {
     groups = [ "default" ];