diff --git a/pkgs/development/python-modules/cysignals/default.nix b/pkgs/development/python-modules/cysignals/default.nix
index 201a8c42d68..d075360d1a4 100644
--- a/pkgs/development/python-modules/cysignals/default.nix
+++ b/pkgs/development/python-modules/cysignals/default.nix
@@ -1,5 +1,4 @@
 { lib
-, fetchpatch
 , fetchPypi
 , buildPythonPackage
 , cython
@@ -10,23 +9,13 @@ assert pariSupport -> pari != null;
 
 buildPythonPackage rec {
   pname = "cysignals";
-  version = "1.10.2";
+  version = "1.10.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1ckxzch3wk5cg80mppky5jib5z4fzslny3001r5zg4ar1ixbc1w1";
+    sha256 = "sha256-XEYGxDV3UCgxb3Jf23y4lOPK4Lb9L4YqDSlxdIRptDo=";
   };
 
-  patches = [
-    # fixes intermittent crashes in Sage tests (including in interfaces/singular.py)
-    # will be included in cysignals 1.10.3: https://github.com/sagemath/cysignals/pull/127
-    (fetchpatch {
-      name = "fix-verify_exc_value.patch";
-      url = "https://github.com/sagemath/cysignals/commit/49a7eee4bba3ab8f340cf56c371fa4f5ed702dcc.patch";
-      sha256 = "sha256-Pfc5tL9VDSP6ftDoHoIb+MDi5rjYqr0PRfIajFuuYVs=";
-    })
-  ];
-
   # explicit check:
   # build/src/cysignals/implementation.c:27:2: error: #error "cysignals must be compiled without _FORTIFY_SOURCE"
   hardeningDisable = [