diff --git a/docs_theme/requirements.txt b/docs_theme/requirements.txt
index 026d756c..b0164ff7 100644
--- a/docs_theme/requirements.txt
+++ b/docs_theme/requirements.txt
@@ -1,2 +1,2 @@
-mkdocs>=1.0,<1.3
+mkdocs==1.2.4
 jinja2==3.0.3 # https://github.com/readthedocs/readthedocs.org/issues/9037
diff --git a/package-lock.json b/package-lock.json
index 8459ebe7..aa3cf946 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "devDependencies": {
-        "pa11y-ci": ">=3.0.1"
+        "pa11y-ci": "3.0.1"
       }
     },
     "node_modules/@types/node": {
diff --git a/package.json b/package.json
index 28cf4eeb..a2c97337 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
   "devDependencies": {
-    "pa11y-ci": ">=3.0.1"
+    "pa11y-ci": "3.0.1"
   }
 }