diff --git a/pkgs/development/libraries/glib/default.nix b/pkgs/development/libraries/glib/default.nix
index c1b76049e46d..6ebd096ba6ee 100644
--- a/pkgs/development/libraries/glib/default.nix
+++ b/pkgs/development/libraries/glib/default.nix
@@ -51,11 +51,11 @@ in
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "glib";
-  version = "2.77.3";
+  version = "2.78.0";
 
   src = fetchurl {
     url = "mirror://gnome/sources/glib/${lib.versions.majorMinor finalAttrs.version}/glib-${finalAttrs.version}.tar.xz";
-    sha256 = "F1P5Y7toCyioPW4glfY9DUuUJEZ1vNJgOFCy68GsamE=";
+    sha256 = "ROqri3IId84wPFVAtlexJvEtyUly2YgLUpWfQ/tTezA=";
   };
 
   patches = lib.optionals stdenv.isDarwin [
@@ -97,6 +97,13 @@ stdenv.mkDerivation (finalAttrs: {
     # Disable flaky test.
     # https://gitlab.gnome.org/GNOME/glib/-/issues/820
     ./skip-timer-test.patch
+
+    # Fix protentional NetworkManager crashes.
+    # https://gitlab.gnome.org/GNOME/glib/-/issues/3105
+    (fetchpatch2 {
+      url = "https://gitlab.gnome.org/GNOME/glib/-/commit/82c764ce2e42f0d1032627dabcbd742d5f2bd8fa.patch";
+      hash = "sha256-HALd5kv+dwZQJA75rG9IbAMr+DwR99Lm+8+HHg7eBBc=";
+    })
   ];
 
   outputs = [ "bin" "out" "dev" "devdoc" ];