diff --git a/lib/licenses.nix b/lib/licenses.nix
index e37eb57cff97..b63de0911bc5 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -682,6 +682,11 @@ lib.mapAttrs (n: v: v // { shortName = n; }) {
     # channel and NixOS images.
   };
 
+  unicode-dfs-2016 = spdx {
+    spdxId = "Unicode-DFS-2016";
+    fullName = "Unicode License Agreement - Data Files and Software (2016)";
+  };
+
   unlicense = spdx {
     spdxId = "Unlicense";
     fullName = "The Unlicense";
diff --git a/pkgs/data/misc/cldr-emoji-annotation/default.nix b/pkgs/data/misc/cldr-emoji-annotation/default.nix
index 4279cf8aec48..289f6d663406 100644
--- a/pkgs/data/misc/cldr-emoji-annotation/default.nix
+++ b/pkgs/data/misc/cldr-emoji-annotation/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Emoji annotation files in CLDR";
     homepage = "https://www.unicode.org/";
-    license = licenses.free; # https://www.unicode.org/license.html
+    license = licenses.unicode-dfs-2016;
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/data/misc/unicode-character-database/default.nix b/pkgs/data/misc/unicode-character-database/default.nix
index 1eda25fbe2b1..e52f21713ed8 100644
--- a/pkgs/data/misc/unicode-character-database/default.nix
+++ b/pkgs/data/misc/unicode-character-database/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Unicode Character Database";
     homepage = "https://www.unicode.org/";
-    license = licenses.free; # https://www.unicode.org/license.html
+    license = licenses.unicode-dfs-2016;
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/data/misc/unicode-emoji/default.nix b/pkgs/data/misc/unicode-emoji/default.nix
index 05472b26d88c..b7705d7ee5b4 100644
--- a/pkgs/data/misc/unicode-emoji/default.nix
+++ b/pkgs/data/misc/unicode-emoji/default.nix
@@ -53,7 +53,7 @@ symlinkJoin rec {
   meta = with stdenv.lib; {
     description = "Unicode Emoji Data Files";
     homepage = "https://home.unicode.org/emoji/";
-    license = licenses.free; # https://www.unicode.org/license.html
+    license = licenses.unicode-dfs-2016;
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/data/misc/unihan-database/default.nix b/pkgs/data/misc/unihan-database/default.nix
index 77da77242a92..d5d62403cc3d 100644
--- a/pkgs/data/misc/unihan-database/default.nix
+++ b/pkgs/data/misc/unihan-database/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Unicode Han Database";
     homepage = "https://www.unicode.org/";
-    license = licenses.free; # https://www.unicode.org/license.html
+    license = licenses.unicode-dfs-2016;
     platforms = platforms.all;
   };
 }