diff --git a/README.md b/README.md
index 6f4c76a3af..75187ce00f 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ types of particle simulations.
 
 - [freud](https://freud.readthedocs.io/):
   Analyze HOOMD-blue simulation results with the **freud** Python library.
-- [signac](https://signac.io/):
+- [signac](https://signac.readthedocs.io/):
   Manage your workflow with **signac**.
 
 ## Example scripts
diff --git a/sphinx-doc/index.rst b/sphinx-doc/index.rst
index b505850060..2fe3b2db4b 100644
--- a/sphinx-doc/index.rst
+++ b/sphinx-doc/index.rst
@@ -56,7 +56,7 @@ Related tools
 
 - `freud <https://freud.readthedocs.io/>`_:
   Analyze HOOMD-blue simulation results with the **freud** Python library.
-- `signac <https://signac.io/>`_:
+- `signac <https://signac.readthedocs.io/>`_:
   Manage your workflow with **signac**.
 - `Molecular Simulation Design Framework (MoSDeF)`_ tools: