diff --git a/.circleci/config.yml b/.circleci/config.yml
index 14cf1ec26..3963cae26 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@ commands:
         type: string
       sphinx-version:
         type: string
-        default: "16,17,18,20,21,22,23,24,30,31,32,33,34,35,40,41,latest"
+        default: "16,17,18,20,21,22,23,24,30,31,32,33,34,35,40,41,50,51,52,latest"
     steps:
       - checkout
       - run: pip install --user tox
@@ -77,7 +77,7 @@ jobs:
     steps:
       - run-tox:
           version: py310
-          sphinx-version: "42,43,44,45,50,51,latest"
+          sphinx-version: "42,43,44,45,50,51,52,latest"
 
 workflows:
   version: 2
diff --git a/tox.ini b/tox.ini
index ad7c6f71d..3c00b01eb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,6 +34,7 @@ deps =
     sphinx45: Sphinx>=4.5,<4.6
     sphinx50: Sphinx>=5.0,<5.1
     sphinx51: Sphinx>=5.1,<5.2
+    sphinx52: Sphinx>=5.2,<5.3
     sphinx{16,17,18,20,21,22,23,24,30,31,32,33,34,35,40,41,42}: docutils<0.18
     sphinxlatest: Sphinx
 commands =