diff --git a/build_html.sh b/build_html.sh
index ace7856af9..c818962da7 100755
--- a/build_html.sh
+++ b/build_html.sh
@@ -11,7 +11,7 @@ NUM_LANGUAGES="$(printf '%s' "$LANGUAGES" | wc -w)"
 # Write _redirects file
 mkdir -p build/html
 printf '/           /latest/               302\n' > build/html/_redirects
-printf '/latest/*   /2.4/:splat            301\n' >> build/html/_redirects
+printf '/latest/*   /2.5/:splat            301\n' >> build/html/_redirects
 
 i=1
 for lang in $LANGUAGES
@@ -20,10 +20,10 @@ do
 
     if [ "$lang" = "en" ]
     then
-        printf '/:version/en/* /2.4/en/404.html  404\n' >> build/html/_redirects
+        printf '/:version/en/* /2.5/en/404.html  404\n' >> build/html/_redirects
         printf '/:version/*    /:version/en/:splat    301\n' >> build/html/_redirects
     else
-        printf '/:version/%s/* /2.4/%s/404.html  404\n' "$lang" "$lang" >> build/html/_redirects
+        printf '/:version/%s/* /2.5/%s/404.html  404\n' "$lang" "$lang" >> build/html/_redirects
         printf '/:version/*    /:version/%s/:splat    301 Language=%s\n' "$lang" "$(printf "%s" "$lang"  | sed 's/_/-/g')" >> build/html/_redirects
     fi
     make versionedhtml SPHINXOPTS="-j $(nproc) -Dlanguage=$lang"
diff --git a/source/conf.py b/source/conf.py
index f27098da12..65de9b4418 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -102,11 +102,11 @@
 smv_tag_whitelist = r"^$"
 smv_branch_whitelist = r"^(main|(\d+)\.(\d+))$"
 smv_remote_whitelist = r"^origin$"
-# Mark all branches in the form "N.M" as released except "2.5"
-smv_released_pattern = r"^.*/(?!2\.5)(\d+)\.(\d+)$"
-smv_latest_version = r"2.4"
+# Mark all branches in the form "N.M" as released except "2.6"
+smv_released_pattern = r"^.*/(?!2\.6)(\d+)\.(\d+)$"
+smv_latest_version = r"2.5"
 smv_outputdir_format = "{config.version}/{config.language}"
-notfound_urls_prefix = "/2.4/en/"
+notfound_urls_prefix = "/2.5/en/"
 
 # Directories in which to search for additional message catalogs (see language),
 # relative to the source directory. The directories on this path are searched