diff --git a/pkgs/development/libraries/libpeas/default.nix b/pkgs/development/libraries/libpeas/default.nix
index 90912e673a0c..fa54acb89b07 100644
--- a/pkgs/development/libraries/libpeas/default.nix
+++ b/pkgs/development/libraries/libpeas/default.nix
@@ -2,7 +2,6 @@
   stdenv,
   lib,
   fetchurl,
-  fetchpatch,
   replaceVars,
   meson,
   ninja,
@@ -20,7 +19,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libpeas";
-  version = "1.36.0";
+  version = "1.38.1";
 
   outputs = [
     "out"
@@ -30,7 +29,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/libpeas/${lib.versions.majorMinor version}/libpeas-${version}.tar.xz";
-    sha256 = "KXy5wszNjoYXYj0aPoQVtFMLjlqJPjUnu/0e3RMje0w=";
+    sha256 = "sha256-6C/TKK3KwaujS2QTa9/Lus8rMliovE5fSApyUCphGuk=";
   };
 
   patches = [
@@ -40,18 +39,6 @@ stdenv.mkDerivation rec {
         python3.pkgs.pygobject3
       ];
     })
-
-    # girepository: port libpeas ABI to girepository
-    # https://gitlab.gnome.org/GNOME/libpeas/-/issues/58
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/libpeas/-/commit/73e25b6059d2fdc090a3feb8341ff902c3ec0d16.patch";
-      hash = "sha256-xNp/DbLV2mdMiUALdEWE4ssyD3krWmzmJIwgStsNShM=";
-    })
-    # build: handle depending on development releases of GLib
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/libpeas/-/commit/4613accc2e22395bb77bdf612fcdf90bf65f230f.patch";
-      hash = "sha256-VGPLDswH3St/SzS19iHr5dA/ywzDsXhd7FMUg4rII9U=";
-    })
   ];
 
   depsBuildBuild = [