diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 830fe42..f295efe 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -51,7 +51,8 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Publish package to rust package registry
-        if: startsWith(github.ref, 'refs/tags/')
+        # Push to crates.io only once.
+        if: matrix.os == 'ubuntu-latest'
         run: |
           cargo package
           cargo publish --token ${{ secrets.CARGO_TOKEN }}
diff --git a/Cargo.lock b/Cargo.lock
index 4df80f0..f4c4f29 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -244,7 +244,7 @@ dependencies = [
 
 [[package]]
 name = "nakatoshi"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "bitcoin 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 6bb9146..82bba76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nakatoshi"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["ndelvalle <nicolas.delvalle@gmail.com>"]
 edition = "2018"
 description = "Bitcoin vanity address generator"