diff --git a/pkgs/by-name/sa/sagittarius-scheme/fix-roundeven-declaration.patch b/pkgs/by-name/sa/sagittarius-scheme/fix-roundeven-declaration.patch
new file mode 100644
index 000000000000..124cf1f3f744
--- /dev/null
+++ b/pkgs/by-name/sa/sagittarius-scheme/fix-roundeven-declaration.patch
@@ -0,0 +1,38 @@
+diff --git a/src/bignum.c b/src/bignum.c
+index 1a5553d5a..6bcdb5b6b 100644
+--- a/src/bignum.c
++++ b/src/bignum.c
+@@ -1949,6 +1949,7 @@ static SgObject small_bignum_to_string(SgBignum *b, int radix, int use_upper)
+ }
+ 
+ /* FIXME this is also in number.c */
++#if !defined(__GLIBC__) || !__GLIBC_PREREQ(2, 26)
+ static inline double roundeven(double v)
+ {
+   double r;
+@@ -1966,6 +1967,7 @@ static inline double roundeven(double v)
+   }
+   return r;
+ }
++  #endif
+ /* this is used here */
+ static SgBignum * bignum_expt(SgBignum *b, long exponent);
+ 
+diff --git a/src/roundeven.inc b/src/roundeven.inc
+index 36d3c5535..1a29eefce 100644
+--- a/src/roundeven.inc
++++ b/src/roundeven.inc
+@@ -31,6 +31,7 @@
+ #include <math.h>
+ #include <float.h>
+ 
++#if !defined(__GLIBC__) || !__GLIBC_PREREQ(2, 26)
+ static inline double roundeven(double v)
+ {
+   double r;
+@@ -50,3 +51,5 @@ static inline double roundeven(double v)
+ }
+ 
+ #endif
++
++#endif
diff --git a/pkgs/by-name/sa/sagittarius-scheme/package.nix b/pkgs/by-name/sa/sagittarius-scheme/package.nix
index eadaffaf7c21..97541be796a3 100644
--- a/pkgs/by-name/sa/sagittarius-scheme/package.nix
+++ b/pkgs/by-name/sa/sagittarius-scheme/package.nix
@@ -23,17 +23,23 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "sagittarius-scheme";
-  version = "0.9.12";
+  version = "0.9.14";
   src = fetchurl {
-    url = "https://bitbucket.org/ktakashi/sagittarius-scheme/downloads/sagittarius-${finalAttrs.version}.tar.gz";
-    hash = "sha256-w6aQkC7/vKO8exvDpsSsLyLXrm4FSKh8XYGJgseEII0=";
+    url = "https://github.com/ktakashi/sagittarius-scheme/releases/download/v${finalAttrs.version}/sagittarius-${finalAttrs.version}.tar.gz";
+    hash = "sha256-L0ZKCiSbneWe1+czj83x+bCHPZw1uuYSdJwKHp4qTnk=";
   };
+
+  patches = [
+    ./fix-roundeven-declaration.patch
+  ];
+
   preBuild = ''
     # since we lack rpath during build, need to explicitly add build path
     # to LD_LIBRARY_PATH so we can load libsagittarius.so as required to
     # build extensions
     export ${platformLdLibraryPath}="$(pwd)/build"
   '';
+
   nativeBuildInputs = [
     pkg-config
     cmake
@@ -76,9 +82,10 @@ stdenv.mkDerivation (finalAttrs: {
       -  mostly works O(n)
       -  Replaceable reader
     '';
-    homepage = "https://bitbucket.org/ktakashi/sagittarius-scheme";
+    homepage = "https://github.com/ktakashi/sagittarius-scheme";
     license = lib.licenses.bsd2;
     platforms = lib.platforms.all;
     maintainers = with lib.maintainers; [ abbe ];
+    broken = stdenv.hostPlatform.isDarwin;
   };
 })