diff --git a/pkgs/by-name/fl/flightgear/package.nix b/pkgs/by-name/fl/flightgear/package.nix
index 5b1d89423184..8ab1960ae548 100644
--- a/pkgs/by-name/fl/flightgear/package.nix
+++ b/pkgs/by-name/fl/flightgear/package.nix
@@ -34,7 +34,7 @@
 }:
 
 let
-  version = "2024.1.4";
+  version = "2024.1.5";
   data = stdenv.mkDerivation rec {
     pname = "flightgear-data";
     inherit version;
@@ -43,7 +43,7 @@ let
       owner = "flightgear";
       repo = "fgdata";
       tag = version;
-      hash = "sha256-0cIOyQhw/+jqwO1OddBC09ZnvrmtyjSoMhcu1tuwx4k=";
+      hash = "sha256-8B5wSYjkWuPEySpqBiprZ+jrHy01HA9+iX70wNAn81s=";
     };
 
     dontUnpack = true;
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
     owner = "flightgear";
     repo = "flightgear";
     tag = version;
-    hash = "sha256-s897bsHsVP0OAcrwDVRTPz3YNJkynyErJpH18oLPl3Y=";
+    hash = "sha256-sORiO0SDChIVWIhGKelm7IE/cZ40gMqlZ1OoZZna7kI=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/si/simgear/package.nix b/pkgs/by-name/si/simgear/package.nix
index 15e3e81caa29..e70558ddbea6 100644
--- a/pkgs/by-name/si/simgear/package.nix
+++ b/pkgs/by-name/si/simgear/package.nix
@@ -28,7 +28,7 @@
   c-ares,
 }:
 let
-  version = "2024.1.4";
+  version = "2024.1.5";
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "simgear";
@@ -38,7 +38,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "flightgear";
     repo = "simgear";
     tag = finalAttrs.version;
-    hash = "sha256-WJI15egN1H+EAIaFuI3svYCvM0xzsIGcIPsZgLsvBc0=";
+    hash = "sha256-WONlVdfDWIcoj/UfcFA4Vw5edlgr0vlT/fjIPDti7fk=";
   };
 
   nativeBuildInputs = [ cmake ];