diff --git a/pkg/cmd/attestation/test/data/custom-issuer-artifact b/pkg/cmd/attestation/test/data/custom-issuer-artifact
new file mode 100644
index 000000000..bdd51cc27
--- /dev/null
+++ b/pkg/cmd/attestation/test/data/custom-issuer-artifact
@@ -0,0 +1 @@
+hello-world
\ No newline at end of file
diff --git a/pkg/cmd/attestation/test/data/custom-issuer.sigstore.json b/pkg/cmd/attestation/test/data/custom-issuer.sigstore.json
new file mode 100644
index 000000000..ad47e2478
--- /dev/null
+++ b/pkg/cmd/attestation/test/data/custom-issuer.sigstore.json
@@ -0,0 +1,61 @@
+{
+  "mediaType": "application/vnd.dev.sigstore.bundle.v0.3+json",
+  "verificationMaterial": {
+    "tlogEntries": [
+      {
+        "logIndex": "129601213",
+        "logId": {
+          "keyId": "wNI9atQGlz+VWfO6LRygH4QUfY/8W4RFwiT5i5WRgB0="
+        },
+        "kindVersion": {
+          "kind": "dsse",
+          "version": "0.0.1"
+        },
+        "integratedTime": "1726082343",
+        "inclusionPromise": {
+          "signedEntryTimestamp": "MEQCICL0FAIR4ISP9CZJERTDWm0ZWQXmBfk1n2rNaKcThjFnAiAOpJMbjiwKD+Nt32VgodKh3whOZWERIerwtuTGChcKVg=="
+        },
+        "inclusionProof": {
+          "logIndex": "7696951",
+          "rootHash": "jFHZ9WG6TKsPs3sSueywIxZ8kCLggGmqg2toWJ8seXk=",
+          "treeSize": "7696953",
+          "hashes": [
+            "CYHKf/bh3CxW39mRO4FlajMmrzH8KleobYBryPGMjhQ=",
+            "kAIZZLHLd1KnJQ3CNShHaxG5wQjuF0wG49oq5AC4vXQ=",
+            "f9/xH+QDA5+muxMr2QouK2OLOLkI+jPM2lUX7diPaOA=",
+            "mlhYVIwuxUw07ewtU3um0c8IkYPf55EhyXwuOlzwJbs=",
+            "K2QMn27+dp+8+2utA7P0W1+pFT18nvdFMIlz3qXBC/0=",
+            "+5kLbgrjmfzkYQ0V+vofM18LsqyNpLa5oRr/24gOH+s=",
+            "kNWva6L6IlKsmCkDx0cdNtZJztdunXsjWqzwn/k9moQ=",
+            "W8NjV+EXoTQRJYFsLhEueUiT6vxbPXYoSIONJIJmCvM=",
+            "8tdMgSRLWN3UxGVxNBjKm/4Sjivq1EMAAomCJVhscmU=",
+            "hPmHSU/WMp+ST2P+1mEnh/wjLLY9KbulaYu+ELcIJ2o=",
+            "KYw9/y5e7chXWKn9xKSkwIm0ZV/niE9MccszZ/yMVH8=",
+            "52g33BcJumS4u9qvM95+2WQcPJoG3zKFTsDQU/yGT/Q=",
+            "57ZnG4cTkj/dfCv8Vz7kMnUbcY3NL1PkfzMA2cgdg0c=",
+            "uRsmea7eVXshBNN6huh/owmfaAy9Rx4Cq2M2vFb2Ntk=",
+            "NeHKGVl6KVXfx3+wnQrIrxra4Pr9Fa7YDpTlf86mlTc="
+          ],
+          "checkpoint": {
+            "envelope": "rekor.sigstore.dev - 1193050959916656506\n7696953\njFHZ9WG6TKsPs3sSueywIxZ8kCLggGmqg2toWJ8seXk=\n\n— rekor.sigstore.dev wNI9ajBFAiEA4cRIk3KpKhPAmONZTnKJ84MWoy/uylIgvcQ5hZsQdsQCIFrXcNcJfpQQAXlhca0jAsz/4vqXvuFdHTT12JDyXhjW\n"
+          }
+        },
+        "canonicalizedBody": "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"
+      }
+    ],
+    "timestampVerificationData": {
+    },
+    "certificate": {
+      "rawBytes": "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"
+    }
+  },
+  "dsseEnvelope": {
+    "payload": "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",
+    "payloadType": "application/vnd.in-toto+json",
+    "signatures": [
+      {
+        "sig": "MEYCIQDo6HcufD1X5W+ALqAs+GtUvopFXBQF5JCDRW89VNwNWQIhAJv4SJ8H6RO3rpWvbouTY7k4bsQcu5cCkiuitQJ9d0H/"
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/pkg/cmd/attestation/verify/verify_integration_test.go b/pkg/cmd/attestation/verify/verify_integration_test.go
index 611b1d89f..df24b31c4 100644
--- a/pkg/cmd/attestation/verify/verify_integration_test.go
+++ b/pkg/cmd/attestation/verify/verify_integration_test.go
@@ -85,6 +85,75 @@ func TestVerifyIntegration(t *testing.T) {
 	})
 }
 
+func TestVerifyIntegrationCustomIssuer(t *testing.T) {
+	artifactPath := test.NormalizeRelativePath("../test/data/custom-issuer-artifact")
+	bundlePath := test.NormalizeRelativePath("../test/data/custom-issuer.sigstore.json")
+
+	logger := io.NewTestHandler()
+
+	sigstoreConfig := verification.SigstoreConfig{
+		Logger: logger,
+	}
+
+	cmdFactory := factory.New("test")
+
+	hc, err := cmdFactory.HttpClient()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	host, _ := auth.DefaultHost()
+
+	baseOpts := Options{
+		APIClient:        api.NewLiveClient(hc, host, logger),
+		ArtifactPath:     artifactPath,
+		BundlePath:       bundlePath,
+		DigestAlgorithm:  "sha256",
+		Logger:           logger,
+		OCIClient:        oci.NewLiveClient(),
+		OIDCIssuer:       "https://token.actions.githubusercontent.com/hammer-time",
+		SigstoreVerifier: verification.NewLiveSigstoreVerifier(sigstoreConfig),
+	}
+
+	t.Run("with owner and valid workflow SAN", func(t *testing.T) {
+		opts := baseOpts
+		opts.Owner = "too-legit"
+		opts.SAN = "https://github.com/too-legit/attest/.github/workflows/integration.yml@refs/heads/main"
+
+		err := runVerify(&opts)
+		require.NoError(t, err)
+	})
+
+	t.Run("with owner and valid workflow SAN regex", func(t *testing.T) {
+		opts := baseOpts
+		opts.Owner = "too-legit"
+		opts.SANRegex = "^https://github.com/too-legit/attest"
+
+		err := runVerify(&opts)
+		require.NoError(t, err)
+	})
+
+	t.Run("with repo and valid workflow SAN", func(t *testing.T) {
+		opts := baseOpts
+		opts.Owner = "too-legit"
+		opts.Repo = "too-legit/attest"
+		opts.SAN = "https://github.com/too-legit/attest/.github/workflows/integration.yml@refs/heads/main"
+
+		err := runVerify(&opts)
+		require.NoError(t, err)
+	})
+
+	t.Run("with repo and valid workflow SAN regex", func(t *testing.T) {
+		opts := baseOpts
+		opts.Owner = "too-legit"
+		opts.Repo = "too-legit/attest"
+		opts.SANRegex = "^https://github.com/too-legit/attest"
+
+		err := runVerify(&opts)
+		require.NoError(t, err)
+	})
+}
+
 func TestVerifyIntegrationReusableWorkflow(t *testing.T) {
 	artifactPath := test.NormalizeRelativePath("../test/data/reusable-workflow-artifact")
 	bundlePath := test.NormalizeRelativePath("../test/data/reusable-workflow-attestation.sigstore.json")