diff --git a/VERSIONS_HOTLINE/91613 b/VERSIONS_HOTLINE/91613
new file mode 100644
index 0000000000000000000000000000000000000000..6fedd854fd5859e84d45c09769494c69002222ee
--- /dev/null
+++ b/VERSIONS_HOTLINE/91613
@@ -0,0 +1 @@
+ - ticket #91613 : L'éditeur CSS force l'invalidation du cache navigateur pour avoir la dernière version
\ No newline at end of file
diff --git a/amber/afi/js/AFI-OPAC.deploy.js b/amber/afi/js/AFI-OPAC.deploy.js
index 4aab97324d6f8acf4504870ca095dcfadef9fae6..11808fe26e6619db86f1834a5de51b037ec5f146 100755
--- a/amber/afi/js/AFI-OPAC.deploy.js
+++ b/amber/afi/js/AFI-OPAC.deploy.js
@@ -59,7 +59,8 @@ self["@cssUrl"]=smalltalk.send(linkTag,"_attr_",["data-url"]);
 if(($receiver = self["@cssUrl"]) == nil || $receiver == undefined){
 $1=self["@cssUrl"];
 } else {
-$1=smalltalk.send(smalltalk.send(self["@cssUrl"],"__comma",["?"]),"__comma",[smalltalk.send(smalltalk.send((smalltalk.Date || Date),"_now",[]),"_asMilliseconds",[])]);
+self["@cssUrl"]=smalltalk.send(smalltalk.send(self["@cssUrl"],"__comma",["?dt="]),"__comma",[smalltalk.send(smalltalk.send((smalltalk.Date || Date),"_now",[]),"_asMilliseconds",[])]);
+$1=self["@cssUrl"];
 };
 return $1;
 }
diff --git a/amber/afi/js/AFI-OPAC.js b/amber/afi/js/AFI-OPAC.js
index 284dbda5ca42d6aae24c28974f904bfe56a120af..36989847af425acc559be00ff10ebaf91367a9bd 100755
--- a/amber/afi/js/AFI-OPAC.js
+++ b/amber/afi/js/AFI-OPAC.js
@@ -75,12 +75,13 @@ self["@cssUrl"]=smalltalk.send(linkTag,"_attr_",["data-url"]);
 if(($receiver = self["@cssUrl"]) == nil || $receiver == undefined){
 $1=self["@cssUrl"];
 } else {
-$1=smalltalk.send(smalltalk.send(self["@cssUrl"],"__comma",["?"]),"__comma",[smalltalk.send(smalltalk.send((smalltalk.Date || Date),"_now",[]),"_asMilliseconds",[])]);
+self["@cssUrl"]=smalltalk.send(smalltalk.send(self["@cssUrl"],"__comma",["?dt="]),"__comma",[smalltalk.send(smalltalk.send((smalltalk.Date || Date),"_now",[]),"_asMilliseconds",[])]);
+$1=self["@cssUrl"];
 };
 return $1;
 },
 args: [],
-source: "cssUrl\x0a\x09|linkTag|\x0a\x09linkTag := (window jQuery: '#profil_css').\x0a    cssUrl := linkTag attr: 'data-url'.\x09\x0a    ^ cssUrl  ifNotNil: [cssUrl, '?', Date now asMilliseconds ] ",
+source: "cssUrl\x0a\x09|linkTag|\x0a\x09linkTag := (window jQuery: '#profil_css').\x0a    cssUrl := linkTag attr: 'data-url'.\x09\x0a    ^ cssUrl  ifNotNil: [cssUrl := cssUrl, '?dt=', Date now asMilliseconds ] ",
 messageSends: ["jQuery:", "attr:", "ifNotNil:", ",", "asMilliseconds", "now"],
 referencedClasses: ["Date"]
 }),
diff --git a/amber/afi/st/AFI-OPAC.st b/amber/afi/st/AFI-OPAC.st
index 7ab7838acb98dda68dec42c7cd4891d75f9e056e..c5e69ea7b81b78019f7498a3d0358df99b9eaa37 100755
--- a/amber/afi/st/AFI-OPAC.st
+++ b/amber/afi/st/AFI-OPAC.st
@@ -17,7 +17,7 @@ cssUrl
 	|linkTag|
 	linkTag := (window jQuery: '#profil_css').
     cssUrl := linkTag attr: 'data-url'.	
-    ^ cssUrl  ifNotNil: [cssUrl, '?', Date now asMilliseconds ]
+    ^ cssUrl  ifNotNil: [cssUrl := cssUrl, '?dt=', Date now asMilliseconds ]
 !
 
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