diff --git a/pkgs/development/libraries/flatpak/default.nix b/pkgs/development/libraries/flatpak/default.nix
index c97f1effd67c..88188f8d0ca4 100644
--- a/pkgs/development/libraries/flatpak/default.nix
+++ b/pkgs/development/libraries/flatpak/default.nix
@@ -53,14 +53,14 @@
 
 stdenv.mkDerivation rec {
   pname = "flatpak";
-  version = "1.12.4";
+  version = "1.12.6";
 
   # TODO: split out lib once we figure out what to do with triggerdir
   outputs = [ "out" "dev" "man" "doc" "devdoc" "installedTests" ];
 
   src = fetchurl {
     url = "https://github.com/flatpak/flatpak/releases/download/${version}/${pname}-${version}.tar.xz";
-    sha256 = "792e6265f7f6d71b2a087028472a048287bed2587e43d2eec2c31d360c16211c"; # Taken from https://github.com/flatpak/flatpak/releases/
+    sha256 = "7wLLUFuRzOUXMJm1SFdo7vGJnrzznt+CfEJUFjqBFic="; # Taken from https://github.com/flatpak/flatpak/releases/
   };
 
   patches = [
diff --git a/pkgs/development/libraries/flatpak/unset-env-vars.patch b/pkgs/development/libraries/flatpak/unset-env-vars.patch
index 63ce0d12fe07..6b8017684d45 100644
--- a/pkgs/development/libraries/flatpak/unset-env-vars.patch
+++ b/pkgs/development/libraries/flatpak/unset-env-vars.patch
@@ -1,11 +1,11 @@
 diff --git a/common/flatpak-run.c b/common/flatpak-run.c
-index 8d52d3a5..81700183 100644
+index 146c4f87..bcdad2bc 100644
 --- a/common/flatpak-run.c
 +++ b/common/flatpak-run.c
-@@ -1232,6 +1232,7 @@ static const ExportData default_exports[] = {
-   {"PERLLIB", NULL},
-   {"PERL5LIB", NULL},
-   {"XCURSOR_PATH", NULL},
+@@ -1710,6 +1710,7 @@ static const ExportData default_exports[] = {
+   {"GST_PTP_HELPER", NULL},
+   {"GST_PTP_HELPER_1_0", NULL},
+   {"GST_INSTALL_PLUGINS_HELPER", NULL},
 +  {"GDK_PIXBUF_MODULE_FILE", NULL},
  };