diff --git a/pkgs/by-name/ma/matrix-media-repo/downgrade-libheif-wrapper.diff b/pkgs/by-name/ma/matrix-media-repo/downgrade-libheif-wrapper.diff
new file mode 100644
index 000000000000..0878f8c66481
--- /dev/null
+++ b/pkgs/by-name/ma/matrix-media-repo/downgrade-libheif-wrapper.diff
@@ -0,0 +1,28 @@
+diff --git a/go.mod b/go.mod
+index b228f3e..f43f43e 100644
+--- a/go.mod
++++ b/go.mod
+@@ -54,7 +54,7 @@ require (
+ 	github.com/redis/go-redis/v9 v9.7.0
+ 	github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06
+ 	github.com/stretchr/testify v1.10.0
+-	github.com/strukturag/libheif v1.19.5
++	github.com/strukturag/libheif v1.18.2
+ 	github.com/t2bot/go-leaky-bucket v1.0.0
+ 	github.com/t2bot/go-singleflight-streams v1.0.0
+ 	github.com/t2bot/go-typed-singleflight v0.0.3
+diff --git a/go.sum b/go.sum
+index c15be35..964e40e 100644
+--- a/go.sum
++++ b/go.sum
+@@ -368,8 +368,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
+ github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+ github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+-github.com/strukturag/libheif v1.19.5 h1:YLf0RO6mNQYeeNkFSk/Uto8EyUOCzDpLPjbEBoeV9Io=
+-github.com/strukturag/libheif v1.19.5/go.mod h1:E/PNRlmVtrtj9j2AvBZlrO4dsBDu6KfwDZn7X1Ce8Ks=
++github.com/strukturag/libheif v1.18.2 h1:CrlRS7Kwl2odl4DYM/m6ay/HPXEcmQPK1xF8FxAqP7k=
++github.com/strukturag/libheif v1.18.2/go.mod h1:E/PNRlmVtrtj9j2AvBZlrO4dsBDu6KfwDZn7X1Ce8Ks=
+ github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203 h1:QVqDTf3h2WHt08YuiTGPZLls0Wq99X9bWd0Q5ZSBesM=
+ github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203/go.mod h1:oqN97ltKNihBbwlX8dLpwxCl3+HnXKV/R0e+sRLd9C8=
+ github.com/t2bot/go-leaky-bucket v1.0.0 h1:w16tqQj4pslBFNc8xEYvOcu5rt8QhLugx1e5TKyT9zI=
diff --git a/pkgs/by-name/ma/matrix-media-repo/package.nix b/pkgs/by-name/ma/matrix-media-repo/package.nix
index f15eb89e33e8..6312f06c6bcb 100644
--- a/pkgs/by-name/ma/matrix-media-repo/package.nix
+++ b/pkgs/by-name/ma/matrix-media-repo/package.nix
@@ -8,20 +8,31 @@
 }:
 let
   pname = "matrix-media-repo";
-  version = "1.3.7";
+  version = "1.3.8";
 
   src = fetchFromGitHub {
     owner = "t2bot";
     repo = "matrix-media-repo";
     rev = "v${version}";
-    hash = "sha256-trVn+Mn98aJLQCpQX1+qps/uuA5+8zeDoM94eauxHO8=";
+    hash = "sha256-KP1ZyHqeATxk1PCLuM6lPk+GB4Rd0f7ppKVETIURx28=";
   };
 
-  vendorHash = "sha256-fKDdL7C3L33caoXxlutzoND2izB5GH+5qTeojTskIUg=";
+  patches = [
+    # matrix-media-repo 1.3.8+ uses a Go wrapper expecting libheif 1.19+
+    # which NixOS 24.11 does not have
+    ./downgrade-libheif-wrapper.diff
+  ];
+
+  vendorHash = "sha256-3cmjdhL4U7tq429vUPElM5Kp203SWgZeoHM/i6Vuf7Q=";
 
   asset-compiler = buildGoModule {
     pname = "${pname}-compile_assets";
-    inherit version src vendorHash;
+    inherit
+      version
+      src
+      patches
+      vendorHash
+      ;
 
     subPackages = [
       "cmd/utilities/compile_assets"
@@ -34,6 +45,7 @@ buildGoModule {
     pname
     version
     src
+    patches
     vendorHash
     ;