diff --git a/pkgs/development/libraries/gobject-introspection/default.nix b/pkgs/development/libraries/gobject-introspection/default.nix
index 9634dd3db23c..bb306fb3a859 100644
--- a/pkgs/development/libraries/gobject-introspection/default.nix
+++ b/pkgs/development/libraries/gobject-introspection/default.nix
@@ -35,7 +35,7 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "gobject-introspection";
-  version = "1.73.1";
+  version = "1.74.0";
 
   # outputs TODO: share/gobject-introspection-1.0/tests is needed during build
   # by pygobject3 (and maybe others), but it's only searched in $out
@@ -44,7 +44,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gobject-introspection/${lib.versions.majorMinor finalAttrs.version}/gobject-introspection-${finalAttrs.version}.tar.xz";
-    sha256 = "ZNTWuauqb/VFDQglkvMysk/IHRFyzMMNEmIPrcToa74=";
+    sha256 = "NHs6cZ5oukxp/y1X7iaJIz6owH/EkiBeVzOGd55C1lM=";
   };
 
   patches = [