diff --git a/modules/restserver/src/main/scala/docspell/restserver/routes/AttachmentRoutes.scala b/modules/restserver/src/main/scala/docspell/restserver/routes/AttachmentRoutes.scala
index a7bc4b82..fb7409b7 100644
--- a/modules/restserver/src/main/scala/docspell/restserver/routes/AttachmentRoutes.scala
+++ b/modules/restserver/src/main/scala/docspell/restserver/routes/AttachmentRoutes.scala
@@ -133,7 +133,8 @@ object AttachmentRoutes {
         // this route exists to provide a stable url
         // it redirects currently to viewerjs
         val attachUrl = s"/api/v1/sec/attachment/${id.id}"
-        val path = s"/app/assets${Webjars.viewerjs}/index.html#$attachUrl"
+        val path =
+          s"/app/assets${Webjars.pdfjsdistviewermin}/build/minified/web/viewer.html?file=$attachUrl"
         SeeOther(Location(Uri(path = Uri.Path.unsafeFromString(path))))
 
       case GET -> Root / Ident(id) / "meta" =>
diff --git a/modules/restserver/src/main/scala/docspell/restserver/routes/ShareAttachmentRoutes.scala b/modules/restserver/src/main/scala/docspell/restserver/routes/ShareAttachmentRoutes.scala
index b93a1381..2f6fd6ad 100644
--- a/modules/restserver/src/main/scala/docspell/restserver/routes/ShareAttachmentRoutes.scala
+++ b/modules/restserver/src/main/scala/docspell/restserver/routes/ShareAttachmentRoutes.scala
@@ -45,7 +45,8 @@ object ShareAttachmentRoutes {
         // this route exists to provide a stable url
         // it redirects currently to viewerjs
         val attachUrl = s"/api/v1/share/attachment/${id.id}"
-        val path = s"/app/assets${Webjars.viewerjs}/index.html#$attachUrl"
+        val path =
+          s"/app/assets${Webjars.pdfjsdistviewermin}/build/minified/web/viewer.html?file=$attachUrl"
         SeeOther(Location(Uri(path = Uri.Path.unsafeFromString(path))))
 
       case req @ GET -> Root / Ident(id) / "preview" =>
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index a31217c5..f3f83d5f 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -34,6 +34,7 @@ object Dependencies {
   val MUnitCatsEffectVersion = "1.0.7"
   val OrganizeImportsVersion = "0.6.0"
   val PdfboxVersion = "2.0.25"
+  val PdfjsViewerVersion = "2.9.359"
   val PoiVersion = "4.1.2"
   val PostgresVersion = "42.3.1"
   val PureConfigVersion = "0.17.1"
@@ -47,7 +48,6 @@ object Dependencies {
   val TestContainerVersion = "0.39.12"
   val TwelveMonkeysVersion = "3.8.1"
   val JQueryVersion = "3.5.1"
-  val ViewerJSVersion = "0.5.9"
 
   val jwtScala = Seq(
     "com.github.jwt-scala" %% "jwt-circe" % JwtScalaVersion
@@ -310,8 +310,8 @@ object Dependencies {
 
   val webjars = Seq(
     "org.webjars" % "swagger-ui" % SwaggerUIVersion,
-    "org.webjars" % "viewerjs" % ViewerJSVersion,
-    "org.webjars" % "clipboard.js" % ClipboardJsVersion
+    "org.webjars" % "clipboard.js" % ClipboardJsVersion,
+    "org.webjars.npm" % "pdfjs-dist-viewer-min" % PdfjsViewerVersion
   )
 
   val icu4j = Seq(