diff --git a/pkgs/by-name/gu/gucharmap/package.nix b/pkgs/by-name/gu/gucharmap/package.nix
index c22eae151402..f6fd425d434b 100644
--- a/pkgs/by-name/gu/gucharmap/package.nix
+++ b/pkgs/by-name/gu/gucharmap/package.nix
@@ -45,7 +45,7 @@ let
   };
 in stdenv.mkDerivation (finalAttrs: {
   pname = "gucharmap";
-  version = "15.1.5";
+  version = "16.0.1";
 
   outputs = [ "out" "lib" "dev" "devdoc" ];
 
@@ -54,7 +54,7 @@ in stdenv.mkDerivation (finalAttrs: {
     owner = "GNOME";
     repo = "gucharmap";
     rev = finalAttrs.version;
-    hash = "sha256-PG86D8QvqHdmo3aJseCerngmuWUqtSMdWzbixWE2HOQ=";
+    hash = "sha256-eQ27TIggwQ2RjDQO5ytVrUT7iNtbP5HOwMcpzweMW8A=";
   };
 
   strictDeps = true;
diff --git a/pkgs/data/misc/unicode-character-database/default.nix b/pkgs/data/misc/unicode-character-database/default.nix
index 393fe7d2a806..cf61d30108f4 100644
--- a/pkgs/data/misc/unicode-character-database/default.nix
+++ b/pkgs/data/misc/unicode-character-database/default.nix
@@ -5,11 +5,11 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "unicode-character-database";
-  version = "15.1.0";
+  version = "16.0.0";
 
   src = fetchurl {
     url = "https://www.unicode.org/Public/zipped/${version}/UCD.zip";
-    sha256 = "sha256-yxxmPQU5JlAM1QEilzYEV1JxOgZr11gCCYWYt6cFYXc=";
+    sha256 = "sha256-yG3YHysUpDsMwGSqX4mqckE4aAHjXFnHmE5XmDJjTrI=";
   };
 
   nativeBuildInputs = [