diff --git a/pkgs/development/python-modules/pyannotate/default.nix b/pkgs/development/python-modules/pyannotate/default.nix
index db48bb06bc0f..a09463a76d35 100644
--- a/pkgs/development/python-modules/pyannotate/default.nix
+++ b/pkgs/development/python-modules/pyannotate/default.nix
@@ -9,12 +9,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.0.7";
+  version = "1.2.0";
   pname = "pyannotate";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "54e6035a8601248992e17734034e6555842c6ea9863f90c15d14fe76a184be07";
+    sha256 = "16bm0mf7wxvy0lgmcs1p8n1ji8pnvj1jvj8zk3am70dkp825iv84";
   };
 
   checkInputs = [ pytest ];