diff --git a/build.zig b/build.zig
index 53b4ebd4a..c8e938708 100644
--- a/build.zig
+++ b/build.zig
@@ -4,7 +4,7 @@ const builtin = @import("builtin");
 /// Must match the `version` in `build.zig.zon`. Add a `-dev` suffix when `zls_version_is_tagged == false`.
 const zls_version = std.SemanticVersion{ .major = 0, .minor = 12, .patch = 0 };
 /// set this to true when tagging a new ZLS release and then unset it on the next development cycle.
-const zls_version_is_tagged: bool = false;
+const zls_version_is_tagged: bool = true;
 
 /// Specify the minimum Zig version that is required to compile and test ZLS:
 /// Release 0.12.0
diff --git a/build.zig.zon b/build.zig.zon
index 09ea7fe69..404ba6796 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = "zls",
     // Must match the `zls_version` in `build.zig`
-    .version = "0.12.0-dev",
+    .version = "0.12.0",
     // Must match the `minimum_zig_version` in `build.zig`
     .minimum_zig_version = "0.12.0",
     // whenever the dependencies are updated, run `zon2nix > deps.nix`
diff --git a/flake.nix b/flake.nix
index 252309341..d7ce251f4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,7 +31,7 @@
         packages.default = packages.zls;
         packages.zls = pkgs.stdenvNoCC.mkDerivation {
           name = "zls";
-          version = "master";
+          version = "0.12.0";
           src = gitignoreSource ./.;
           nativeBuildInputs = [ zig ];
           dontConfigure = true;