diff --git a/docs/source/index.rst b/docs/source/index.rst
index 2f742b6c2..14b42cc44 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -8,7 +8,7 @@
    :keywords: CI/CD, SLSA, supply-chain security
 
 .. References/links
-.. _Witness: https://github.com/testifysec/witness
+.. _Witness: https://github.com/in-toto/witness
 .. _SLSA: https://slsa.dev
 
 =====================
diff --git a/docs/source/pages/supported_technologies/index.rst b/docs/source/pages/supported_technologies/index.rst
index 8f207c26d..0e3eb9bcb 100644
--- a/docs/source/pages/supported_technologies/index.rst
+++ b/docs/source/pages/supported_technologies/index.rst
@@ -89,7 +89,7 @@ Provenances
        * `SLSA provenance version 0.2 <https://slsa.dev/spec/v0.2/provenance>`_.
        * The provenance should be published as a GitHub release asset
      - :doc:`page </pages/supported_technologies/jfrog>`
-   * - `Witness <https://github.com/testifysec/witness>`_
+   * - `Witness <https://github.com/in-toto/witness>`_
      -
        * Witness provenance version 0.1
        * Projects built with Gradle on GitLab CI
diff --git a/docs/source/pages/tutorials/index.rst b/docs/source/pages/tutorials/index.rst
index c07cd3365..0e9c69b93 100644
--- a/docs/source/pages/tutorials/index.rst
+++ b/docs/source/pages/tutorials/index.rst
@@ -2,7 +2,7 @@
 .. Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
 .. References/links
-.. _Witness: https://github.com/testifysec/witness
+.. _Witness: https://github.com/in-toto/witness
 .. _SLSA: https://slsa.dev
 
 
diff --git a/src/macaron/config/defaults.ini b/src/macaron/config/defaults.ini
index 63d57b834..bf9c46886 100644
--- a/src/macaron/config/defaults.ini
+++ b/src/macaron/config/defaults.ini
@@ -439,7 +439,7 @@ max_download_size = 70000000
 # This is the timeout (in seconds) to run the SLSA verifier.
 timeout = 120
 
-# Witness provenance. See: https://github.com/testifysec/witness.
+# Witness provenance. See: https://github.com/in-toto/witness.
 [provenance.witness]
 # The allowed values of the `predicateType` field in the provenance (data type: list).
 # For more details, see:
diff --git a/src/macaron/slsa_analyzer/checks/provenance_witness_l1_check.py b/src/macaron/slsa_analyzer/checks/provenance_witness_l1_check.py
index 9b5344fd8..1fcbb96ae 100644
--- a/src/macaron/slsa_analyzer/checks/provenance_witness_l1_check.py
+++ b/src/macaron/slsa_analyzer/checks/provenance_witness_l1_check.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2023 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
-"""This check examines a witness provenance (https://github.com/testifysec/witness)."""
+"""This check examines a witness provenance (https://github.com/in-toto/witness)."""
 
 import logging
 
@@ -95,7 +95,7 @@ class ProvenanceWitnessL1Table(CheckFacts, ORMBase):
 
 
 class ProvenanceWitnessL1Check(BaseCheck):
-    """This check examines a Witness provenance (https://github.com/testifysec/witness).
+    """This check examines a Witness provenance (https://github.com/in-toto/witness).
 
     At the moment, we are only checking the actual digests of the artifacts
     against the digests in the provenance.
diff --git a/src/macaron/slsa_analyzer/provenance/witness/__init__.py b/src/macaron/slsa_analyzer/provenance/witness/__init__.py
index cbe1afe8e..f7e245b10 100644
--- a/src/macaron/slsa_analyzer/provenance/witness/__init__.py
+++ b/src/macaron/slsa_analyzer/provenance/witness/__init__.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2023 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
-"""Witness provenance (https://github.com/testifysec/witness)."""
+"""Witness provenance (https://github.com/in-toto/witness)."""
 
 import logging
 from typing import NamedTuple
diff --git a/src/macaron/slsa_analyzer/provenance/witness/attestor.py b/src/macaron/slsa_analyzer/provenance/witness/attestor.py
index 7fc2e3f24..3f2768843 100644
--- a/src/macaron/slsa_analyzer/provenance/witness/attestor.py
+++ b/src/macaron/slsa_analyzer/provenance/witness/attestor.py
@@ -30,7 +30,7 @@ class GitLabWitnessAttestor:
     """Witness attestor for GitLab.
 
     In the payload of a witness provenance, each subject corresponds to an attestor.
-    Docs: https://github.com/testifysec/witness/blob/main/docs/attestors/gitlab.md
+    Docs: https://github.com/in-toto/witness/blob/main/docs/attestors/gitlab.md
     """
 
     def extract_repo_url(self, payload: InTotoPayload) -> str | None: