diff --git a/pkgs/development/python-modules/pywavelets/default.nix b/pkgs/development/python-modules/pywavelets/default.nix
index c072b661cc42..b085a3db3b9f 100644
--- a/pkgs/development/python-modules/pywavelets/default.nix
+++ b/pkgs/development/python-modules/pywavelets/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "PyWavelets";
-  version = "0.5.2";
+  version = "1.0.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ce36e2f0648ea1781490b09515363f1f64446b0eac524603e5db5e180113bed9";
+    sha256 = "3c5cece36d4e17d395be6e9ac6b80ce7b774a1f71c251756c6163e63b6d878dc";
   };
 
   checkInputs = [ nose pytest ];