diff --git a/docs/changelog.rst b/docs/changelog.rst
index 6516933..1f8b7ce 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,10 @@
 Changelog
 ~~~~~~~~~
 
+0.35.1 (June 2024)
+-------------------
+* Pin tenacity package version to 8.3.0.
+
 0.35.0 (April 2024)
 -------------------
 
diff --git a/setup.py b/setup.py
index 645cf69..2706401 100644
--- a/setup.py
+++ b/setup.py
@@ -47,6 +47,7 @@
         "pytket ~= 1.27",
         "pyquil ~= 3.5",
         "typing-extensions ~= 4.2",
+        "tenacity == 8.3.0",
     ],
     classifiers=[
         "Environment :: Console",