diff --git a/pkgs/development/python-modules/progressbar2/default.nix b/pkgs/development/python-modules/progressbar2/default.nix
index 72b0bcfa197f..766b7090f90f 100644
--- a/pkgs/development/python-modules/progressbar2/default.nix
+++ b/pkgs/development/python-modules/progressbar2/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "progressbar2";
-  version = "3.54.0";
+  version = "3.55.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d878893cda2f477c63b5bd0f7f5301f03dd0a81c02554a1f2c5562036369376a";
+    sha256 = "86835d1f1a9317ab41aeb1da5e4184975e2306586839d66daf63067c102f8f04";
   };
 
   propagatedBuildInputs = [ python-utils ];