diff --git a/pkgs/servers/web-apps/wallabag/default.nix b/pkgs/servers/web-apps/wallabag/default.nix
index cf11bcf92981..955eac2c6c33 100644
--- a/pkgs/servers/web-apps/wallabag/default.nix
+++ b/pkgs/servers/web-apps/wallabag/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 }:
 
 # Point the environment variable $WALLABAG_DATA to a data directory
@@ -15,19 +16,30 @@
 
 let
   pname = "wallabag";
-  version = "2.5.1";
+  version = "2.5.2";
 in
 stdenv.mkDerivation {
   inherit pname version;
 
-  # GitHub distribution does not include vendored files
+  # Release tarball includes vendored files
   src = fetchurl {
-    url = "https://static.wallabag.org/releases/wallabag-release-${version}.tar.gz";
-    hash = "sha256-vurjWI5Sh/SFPtxd5cHaaw7edcAzNub/duhOUF+Wshk=";
+    urls = [
+      "https://static.wallabag.org/releases/wallabag-release-${version}.tar.gz"
+      "https://github.com/wallabag/wallabag/releases/download/${version}/wallabag-${version}.tar.gz"
+    ];
+    hash = "sha256-Q989SorGPm3KBuQhGAinYU6HGIa9RrhtRPvwGALU6jk=";
   };
 
   patches = [
     ./wallabag-data.patch # exposes $WALLABAG_DATA
+
+    # Use sendmail from php.ini instead of FHS path.
+    (fetchpatch {
+      url = "https://github.com/symfony/swiftmailer-bundle/commit/31a4fed8f621f141ba70cb42ffb8f73184995f4c.patch";
+      stripLen = 1;
+      extraPrefix = "vendor/symfony/swiftmailer-bundle/";
+      sha256 = "rxHiGhKFd/ZWnIfTt6omFLLoNFlyxOYNCHIv/UtxCho=";
+    })
   ];
 
   dontBuild = true;