diff --git a/Cargo.lock b/Cargo.lock
index 8fb19d6..8826ba1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "alejandra"
-version = "0.1.0"
+version = "0.0.0"
 dependencies = [
  "clap",
  "indoc",
@@ -195,9 +195,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.114"
+version = "0.2.115"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0005d08a8f7b65fb8073cb697aa0b12b631ed251ce73d862ce50eeb52ce3b50"
+checksum = "0a8d982fa7a96a000f6ec4cfe966de9703eccde29750df2bb8949da91b0e818d"
 
 [[package]]
 name = "memchr"
diff --git a/Cargo.toml b/Cargo.toml
index 0752903..0220941 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,4 +15,4 @@
   edition = "2021"
   name = "alejandra"
   repository = "https://github.com/kamadorueda/alejandra"
-  version = "0.1.0"
+  version = "0.0.0"
diff --git a/flake.nix b/flake.nix
index efda579..0437a51 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,7 +24,12 @@
             nixpkgs.rustPlatform.buildRustPackage
               {
                 pname = cargoToml.package.name;
-                version = inputs.self.sourceInfo.rev;
+                version =
+                  let
+                    commit = inputs.self.shortRev or "dirty";
+                    date = inputs.self.lastModifiedDate or inputs.self.lastModified or "19700101";
+                  in
+                  "${ builtins.substring 0 8 date }_${ commit }";
                 src = inputs.self.sourceInfo;
                 cargoLock.lockFile = ./Cargo.lock;
                 NIX_BUILD_CORES = 0;