diff --git a/pkgs/applications/graphics/imv/default.nix b/pkgs/applications/graphics/imv/default.nix
index 044814c88a1c..f71b0362d2de 100644
--- a/pkgs/applications/graphics/imv/default.nix
+++ b/pkgs/applications/graphics/imv/default.nix
@@ -16,7 +16,8 @@
 , libxkbcommon
 , libGLU
 , wayland
-, withBackends ? [ "freeimage" "libtiff" "libjpeg" "libpng" "librsvg" "libnsgif" "libheif" ]
+# "libnsgif" is disabled until https://todo.sr.ht/~exec64/imv/55 is solved
+, withBackends ? [ "freeimage" "libtiff" "libjpeg" "libpng" "librsvg" "libheif" ]
 , freeimage
 , libtiff
 , libjpeg_turbo
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
index 20c990448e77..0f57939e1700 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "netsurf-libnsgif";
-  version = "0.2.1";
+  version = "1.0.0";
 
   src = fetchurl {
     url = "http://download.netsurf-browser.org/libs/releases/libnsgif-${finalAttrs.version}-src.tar.gz";
-    hash = "sha256-nq6lNM1wtTxar0UxeulXcBaFprSojb407Sb0+q6Hmks=";
+    hash = "sha256-YBTIQvYUVNL1oPgkPXqNe96bfaPM/cotNGx8CyxMBhs=";
   };
 
   depsBuildBuild = [ buildPackages.stdenv.cc ];