diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 81d6557..d1b4a22 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -143,11 +143,12 @@ jobs:
       - name: Compute Docker tags
         id: docker_tags
         run: |
+          OWNER_LC="$(printf '%s' "$GITHUB_REPOSITORY_OWNER" | tr '[:upper:]' '[:lower:]')"
           {
             echo "tags<<EOF"
-            echo "ghcr.io/${GITHUB_REPOSITORY_OWNER}/ableton-mind:${GITHUB_REF_NAME}"
+            echo "ghcr.io/${OWNER_LC}/ableton-mind:${GITHUB_REF_NAME}"
             if [[ "$GITHUB_REF_NAME" != *-* ]]; then
-              echo "ghcr.io/${GITHUB_REPOSITORY_OWNER}/ableton-mind:latest"
+              echo "ghcr.io/${OWNER_LC}/ableton-mind:latest"
             fi
             echo "EOF"
           } >> "$GITHUB_OUTPUT"
diff --git a/docs/distribution.md b/docs/distribution.md
index f976ab4..9d2e7b7 100644
--- a/docs/distribution.md
+++ b/docs/distribution.md
@@ -113,8 +113,8 @@ docker run --rm -i --network host ableton-mind
 Release workflow tags for stable releases:
 
 ```text
-ghcr.io/Pantani/ableton-mind:v0.1.0
-ghcr.io/Pantani/ableton-mind:latest
+ghcr.io/pantani/ableton-mind:v0.1.0
+ghcr.io/pantani/ableton-mind:latest
 ```
 
 Prerelease tags keep only their exact version tag and do not move `latest`.
diff --git a/docs/pt/distribution.md b/docs/pt/distribution.md
index 37c44b6..3442a98 100644
--- a/docs/pt/distribution.md
+++ b/docs/pt/distribution.md
@@ -113,8 +113,8 @@ docker run --rm -i --network host ableton-mind
 Tags do workflow de release para versoes estaveis:
 
 ```text
-ghcr.io/Pantani/ableton-mind:v0.1.0
-ghcr.io/Pantani/ableton-mind:latest
+ghcr.io/pantani/ableton-mind:v0.1.0
+ghcr.io/pantani/ableton-mind:latest
 ```
 
 Prerelease tags mantem apenas a tag exata da versao e nao movem `latest`.
diff --git a/tests/distribution-validation.test.ts b/tests/distribution-validation.test.ts
index 9550f32..926e61f 100644
--- a/tests/distribution-validation.test.ts
+++ b/tests/distribution-validation.test.ts
@@ -103,6 +103,14 @@ describe(".github/workflows/*.yml — parseability + required keys", () => {
     expect(rel).toMatch(/gh release (create|upload)/);
   });
 
+  it("release.yml normalizes ghcr.io owner names to lowercase", () => {
+    const rel = read(".github/workflows/release.yml");
+    expect(rel).toContain("OWNER_LC=");
+    expect(rel).toContain("ghcr.io/${OWNER_LC}/ableton-mind:${GITHUB_REF_NAME}");
+    expect(rel).toContain("ghcr.io/${OWNER_LC}/ableton-mind:latest");
+    expect(rel).not.toContain("ghcr.io/${GITHUB_REPOSITORY_OWNER}/ableton-mind");
+  });
+
   it("release.yml runs all release-readiness gates before publish steps", () => {
     const rel = read(".github/workflows/release.yml");
     expect(rel).toContain("npm run test:bridge");