diff --git a/pkgs/applications/science/math/sage/sage-src.nix b/pkgs/applications/science/math/sage/sage-src.nix
index 95da9b26e54e..a0375a5184a8 100644
--- a/pkgs/applications/science/math/sage/sage-src.nix
+++ b/pkgs/applications/science/math/sage/sage-src.nix
@@ -117,6 +117,13 @@ stdenv.mkDerivation rec {
     # 5.0 hits nixpkgs.
     # https://github.com/sphinx-doc/sphinx/pull/10372
     ./patches/docutils-0.18.1-deprecation.patch
+
+    (fetchSageDiff {
+      name = "eclib-20220621-update.patch";
+      base = "9.7.beta4";
+      rev = "9b65d73399b33043777ba628a4d318638aec6e0e";
+      sha256 = "sha256-pcb9Q9a0ROCZTyfT7TRMtgEqCom8SgrtAaZ8ATgeqVI=";
+    })
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index 74a6f21992b5..af358be31218 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -14,7 +14,7 @@ assert withFlint -> flint != null;
 
 stdenv.mkDerivation rec {
   pname = "eclib";
-  version = "20210625"; # upgrade might break the sage interface
+  version = "20220621"; # upgrade might break the sage interface
   # sage tests to run:
   # src/sage/interfaces/mwrank.py
   # src/sage/libs/eclib
@@ -29,7 +29,7 @@ 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/${version}/eclib-${version}.tar.bz2";
-    sha256 = "sha256-fA3MPz/L+Q39sA8wxAYOUowlHRcgOd8VF4tpsBGI6BA=";
+    sha256 = "sha256-EfoCNhnXGuN5SxgPFES4BaevhSRzU1JvT3ARq9NMJhM=";
   };
   buildInputs = [
     pari