diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51ec195b..9f2cc992 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -198,7 +198,7 @@ jobs:
 
       - name: Build oci-image-x86_64-unknown-linux-gnu
         run: |
-          ./bin/nix-build-and-cache .#oci-image "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image
           cp -v -f result oci-image-amd64.tar.gz
 
       - name: Upload artifact oci-image-x86_64-unknown-linux-gnu
@@ -212,7 +212,7 @@ jobs:
 
       - name: Build oci-image-x86_64-unknown-linux-gnu-jemalloc
         run: |
-          ./bin/nix-build-and-cache .#oci-image-jemalloc "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image-jemalloc
           cp -v -f result oci-image-amd64.tar.gz
 
       - name: Upload artifact oci-image-x86_64-unknown-linux-gnu-jemalloc
@@ -226,7 +226,7 @@ jobs:
 
       - name: Build oci-image-x86_64-unknown-linux-gnu-hmalloc
         run: |
-          ./bin/nix-build-and-cache .#oci-image-hmalloc "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image-hmalloc
           cp -v -f result oci-image-amd64.tar.gz
 
       - name: Upload artifact oci-image-x86_64-unknown-linux-gnu-hmalloc
@@ -241,7 +241,7 @@ jobs:
 
       - name: Build oci-image-aarch64-unknown-linux-musl
         run: |
-          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl
           cp -v -f result oci-image-arm64v8.tar.gz
 
       - name: Upload artifact oci-image-aarch64-unknown-linux-musl
@@ -255,7 +255,7 @@ jobs:
 
       - name: Build oci-image-aarch64-unknown-linux-musl-jemalloc
         run: |
-          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl-jemalloc "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl-jemalloc
           cp -v -f result oci-image-arm64v8.tar.gz
 
       - name: Upload artifact oci-image-aarch64-unknown-linux-musl-jemalloc
@@ -269,7 +269,7 @@ jobs:
 
       - name: Build oci-image-aarch64-unknown-linux-musl-hmalloc
         run: |
-          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl-hmalloc "${{ github.ref_name }}"
+          ./bin/nix-build-and-cache .#oci-image-aarch64-unknown-linux-musl-hmalloc
           cp -v -f result oci-image-arm64v8.tar.gz
 
       - name: Upload artifact oci-image-aarch64-unknown-linux-musl-hmalloc
diff --git a/flake.nix b/flake.nix
index 5ef2c00f..19d5eeee 100644
--- a/flake.nix
+++ b/flake.nix
@@ -193,10 +193,10 @@
         meta.mainProgram = cargoToml.package.name;
       };
 
-      mkOciImage = pkgs: package: allocator: tag:
+      mkOciImage = pkgs: package: allocator:
         pkgs.dockerTools.buildLayeredImage {
           name = package.pname;
-          tag = "${tag}";
+          tag = "main";
           # Debian makes builds reproducible through using the HEAD commit's date
           created = "@${toString self.lastModified}";
           contents = [