diff --git a/pkgs/applications/science/math/sage/sage-src.nix b/pkgs/applications/science/math/sage/sage-src.nix
index dd51059ff01..75cd308da40 100644
--- a/pkgs/applications/science/math/sage/sage-src.nix
+++ b/pkgs/applications/science/math/sage/sage-src.nix
@@ -137,6 +137,13 @@ stdenv.mkDerivation rec {
 
     # https://trac.sagemath.org/ticket/27405
     ./patches/ignore-pip-deprecation.patch
+
+    # https://trac.sagemath.org/ticket/27360
+    (fetchpatch {
+      name = "eclib-20190226.patch";
+      url = "https://git.sagemath.org/sage.git/patch/?id=f570e3a7fc2965764b84c04ce301a88ded2c42df";
+      sha256 = "0l5c4giixkn15v2a06sfzq5mkxila6l67zkjbacirwprrlpcnmmp";
+    })
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index 2a43cbe8ee5..681062cd671 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -16,7 +16,7 @@ assert withFlint -> flint != null;
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "eclib";
-  version = "20180815"; # upgrade might break the sage interface
+  version = "20190226"; # upgrade might break the sage interface
   # sage tests to run:
   # src/sage/interfaces/mwrank.py
   # src/sage/libs/eclib
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     owner = "JohnCremona";
     repo = "${pname}";
     rev = "v${version}";
-    sha256 = "12syn83lnzx0xc4r1v3glfimbzndyilkpdmx50xrihbjz1hzczif";
+    sha256 = "1910np1xzyjzszay24xn4b81qhpsvhp5aix9vdpknplni2mq8kwb";
   };
   buildInputs = [
     pari