diff --git a/docs/en_US/changelog.md b/docs/en_US/changelog.md
index 4d8b334..da0a060 100644
--- a/docs/en_US/changelog.md
+++ b/docs/en_US/changelog.md
@@ -4,6 +4,10 @@ Version list of googlecast plugin.
 
 *[Back to documentation] (index.md)*
 
+## Version of January 8th, 2022 (beta) - 2.20
+
+- fix googlecast connection issue (lib zeroconf) 
+
 ## Version of December 1st, 2021 (beta/stable) - 2.19
 
 - pychromecast library update
diff --git a/docs/fr_FR/changelog.md b/docs/fr_FR/changelog.md
index c94dfdb..7a41805 100644
--- a/docs/fr_FR/changelog.md
+++ b/docs/fr_FR/changelog.md
@@ -4,7 +4,11 @@ Liste des versions du plugin googlecast.
 
 *[Retour à la documentation](index.md)*
 
-## Version du 01 décembre 2021 (beta/stable) - 2.19
+## Version du 08 janvier 2022 (beta) - 2.20
+
+- fix perte de connexion (lib zeroconf) 
+
+## Version du 01 décembre 2021 (beta) - 2.19
 
 - maj librairies pychromecast
 - compatibilité jeedom 4.2
diff --git a/plugin_info/info.json b/plugin_info/info.json
index 73a22e5..868a247 100644
--- a/plugin_info/info.json
+++ b/plugin_info/info.json
@@ -7,7 +7,7 @@
 	"hasOwnDeamon" : true,
 	"hasDependency" : true,
 	"maxDependancyInstallTime" : 20,
-	"version" : "2.19",
+	"version" : "2.20",
 	"require" : "3.0",
     "category" : "multimedia",
     "changelog" : "https://github.com/guirem/plugin-googlecast/blob/develop/docs/fr_FR/changelog.md",
diff --git a/resources/install.sh b/resources/install.sh
index 774300d..1bbee8c 100644
--- a/resources/install.sh
+++ b/resources/install.sh
@@ -93,7 +93,7 @@ if [[ ! -z  $pip3cmd ]]; then     # pip3 found
     echo 87 > /tmp/dependancy_googlecast_in_progress
     echo ""
     echo "-- Installation of python library 'zeroconf' with command $pip3cmd"
-    $(sudo $pip3cmd install 'zeroconf>=0.37.0' > /tmp/dependancy_googlecast)
+    $(sudo $pip3cmd install 'zeroconf==0.31.0' > /tmp/dependancy_googlecast)
     cat /tmp/dependancy_googlecast
     echo 92 > /tmp/dependancy_googlecast_in_progress
     echo ""
diff --git a/resources/requirements.txt b/resources/requirements.txt
index 8786b5b..332c4d4 100644
--- a/resources/requirements.txt
+++ b/resources/requirements.txt
@@ -6,5 +6,5 @@ six
 tqdm
 websocket-client
 protobuf>=3.11.0
-zeroconf>=0.37.0
+zeroconf==0.31.0
 casttube>=0.2.1
\ No newline at end of file