diff --git a/pkgs/by-name/ec/eclib/package.nix b/pkgs/by-name/ec/eclib/package.nix
index 0c886a265b63e..8eb4a1f0bab0b 100644
--- a/pkgs/by-name/ec/eclib/package.nix
+++ b/pkgs/by-name/ec/eclib/package.nix
@@ -14,7 +14,7 @@ assert withFlint -> flint != null;
 
 stdenv.mkDerivation rec {
   pname = "eclib";
-  version = "20240408"; # upgrade might break the sage interface
+  version = "20250122"; # upgrade might break the sage interface
   # sage tests to run:
   # src/sage/interfaces/mwrank.py
   # src/sage/libs/eclib
@@ -28,8 +28,8 @@ stdenv.mkDerivation rec {
     #
     # see https://github.com/JohnCremona/eclib/issues/64#issuecomment-789788561
     # for upstream's explanation of the above
-    url = "https://github.com/JohnCremona/eclib/releases/download/v${version}/eclib-${version}.tar.bz2";
-    sha256 = "sha256-O6kI4gGd5T/LoUFEnKpvqC8DYFv4O/nagJLfU4ravnw=";
+    url = "https://github.com/JohnCremona/eclib/releases/download/${version}/eclib-${version}.tar.bz2";
+    sha256 = "sha256-n4wrMuJKTyDXzC0zbqMMjqA7WwlTwtMq3aDEludhaJk=";
   };
   buildInputs = [
     pari
diff --git a/pkgs/by-name/sa/sage/sage-src.nix b/pkgs/by-name/sa/sage/sage-src.nix
index 94bbf2c4deb07..7132847c64eaa 100644
--- a/pkgs/by-name/sa/sage/sage-src.nix
+++ b/pkgs/by-name/sa/sage/sage-src.nix
@@ -96,6 +96,13 @@ stdenv.mkDerivation rec {
       url = "https://github.com/sagemath/sage/compare/10.6.beta2...26f411e5939718d4439325ff669635e5a72d50e5.diff";
       hash = "sha256-Z4JwCuUDpqktAzNtVKRUbrJEh7TmCtFI7PJnOrcEbr4=";
     })
+
+    # https://github.com/sagemath/sage/pull/38962, landed in 10.6.beta7
+    (fetchpatch {
+      name = "eclib-update.patch";
+      url = "https://github.com/sagemath/sage/commit/5289298248a1d6ab11ccf169e636d951f1d77c41.diff";
+      hash = "sha256-iQNqvywvtnvqAA9o8zn4il/XIFBiuEX+vSFZHPaPzcs=";
+    })
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;