diff --git a/sed/update_switcher.py b/sed/update_switcher.py
index 2d72d13..f312046 100644
--- a/sed/update_switcher.py
+++ b/sed/update_switcher.py
@@ -13,10 +13,14 @@
     data = json.load(f)
     if branch.startswith("refs/tags"):  # add a new version tag
         version_tag = branch.split("/")[-1]
+        prerelease = "a" in version_tag
         for item in data:
             if version_tag in item.get("name", ""):
                 present = True
-            if "stable" in item.get("name", ""):
+            if "latest" in item.get("name", ""):
+                item["version"] = version
+                item["url"] = "https://opencompes.github.io/docs/sed/" + version_tag
+            if "stable" in item.get("name", "") and not prerelease:
                 item["version"] = version
                 item["url"] = "https://opencompes.github.io/docs/sed/" + version_tag
         if not present:
diff --git a/specsanalyzer/switcher.json b/specsanalyzer/switcher.json
index 09cd733..1a9c70d 100644
--- a/specsanalyzer/switcher.json
+++ b/specsanalyzer/switcher.json
@@ -1,13 +1,13 @@
 [
   {
     "name": "latest",
-    "version": "0.5.2.dev2+gd6a55dd",
+    "version": "0.6.0a2",
     "url": "https://opencompes.github.io/docs/specsanalyzer/latest"
   },
   {
     "name": "stable",
-    "version": "0.6.0a2",
-    "url": "https://opencompes.github.io/docs/specsanalyzer/v0.6.0a2",
+    "version": "0.5.1",
+    "url": "https://opencompes.github.io/docs/specsanalyzer/v0.5.1",
     "preferred": "true"
   },
   {
diff --git a/specsanalyzer/update_switcher.py b/specsanalyzer/update_switcher.py
index 2b12ba9..abeb986 100644
--- a/specsanalyzer/update_switcher.py
+++ b/specsanalyzer/update_switcher.py
@@ -13,10 +13,14 @@
     data = json.load(f)
     if branch.startswith("refs/tags"):  # add a new version tag
         version_tag = branch.split("/")[-1]
+        prerelease = "a" in version_tag
         for item in data:
             if version_tag in item.get("name", ""):
                 present = True
-            if "stable" in item.get("name", ""):
+            if "latest" in item.get("name", ""):
+                item["version"] = version
+                item["url"] = "https://opencompes.github.io/docs/specsanalyzer/" + version_tag
+            if "stable" in item.get("name", "") and not prerelease:
                 item["version"] = version
                 item["url"] = "https://opencompes.github.io/docs/specsanalyzer/" + version_tag
         if not present: