diff --git a/scripts/_common.zig b/scripts/_common.zig
index cd98eff56590eb1970f9dc52057a70ac9fc8cd5e..5e6c502d3d843c7111848bfdd61db844c5beb583 100644
--- a/scripts/_common.zig
+++ b/scripts/_common.zig
@@ -3,6 +3,8 @@ const zfetch = @import("zfetch");
 const fmtValueLiteral = @import("fmt-valueliteral").fmtValueLiteral;
 const ansi = @import("ansi");
 
+pub const version = "13.0.0";
+
 pub fn Main(comptime T: type) type {
     comptime std.debug.assert(@hasDecl(T, "source_url"));
     comptime std.debug.assert(@hasDecl(T, "dest_file"));
diff --git a/scripts/arabic_shaping.zig b/scripts/arabic_shaping.zig
index 6bde80fc7e2a865aed6e501701d51ecdf649346c..a6c7a3dacad7994c04dc4870e9d3da84eed5acb1 100644
--- a/scripts/arabic_shaping.zig
+++ b/scripts/arabic_shaping.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 const common = @import("./_common.zig");
 
 pub const default = common.Main(struct {
-    pub const source_url = "https://unicode.org/Public/UCD/latest/ucd/ArabicShaping.txt";
+    pub const source_url = "https://unicode.org/Public/" ++ common.version ++ "/ucd/ArabicShaping.txt";
 
     pub const dest_file = "src/arabic_shaping.zig";
 
diff --git a/scripts/bidi_brackets.zig b/scripts/bidi_brackets.zig
index 41c97d0d948fa7746d4c54944d9fd0d86141dd2d..c86c6d1db0e217f0a4a2abe65c70146183ced07c 100644
--- a/scripts/bidi_brackets.zig
+++ b/scripts/bidi_brackets.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 const common = @import("./_common.zig");
 
 pub const default = common.Main(struct {
-    pub const source_url = "https://unicode.org/Public/UCD/latest/ucd/BidiBrackets.txt";
+    pub const source_url = "https://unicode.org/Public/" ++ common.version ++ "/ucd/BidiBrackets.txt";
 
     pub const dest_file = "src/bidi_brackets.zig";
 
diff --git a/scripts/blocks.zig b/scripts/blocks.zig
index 4ef24d1fc90fb32201dd2c42688714f1022d8009..5af6d2fa0661e9cd82579cc6e8924565f9b70b6e 100644
--- a/scripts/blocks.zig
+++ b/scripts/blocks.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 const common = @import("./_common.zig");
 
 pub const default = common.Main(struct {
-    pub const source_url = "https://unicode.org/Public/UCD/latest/ucd/Blocks.txt";
+    pub const source_url = "https://unicode.org/Public/" ++ common.version ++ "/ucd/Blocks.txt";
 
     pub const dest_file = "src/blocks.zig";