diff --git a/updater/software/AcrobatReader2020.cs b/updater/software/AcrobatReader2020.cs
index bbec22d..06e455e 100644
--- a/updater/software/AcrobatReader2020.cs
+++ b/updater/software/AcrobatReader2020.cs
@@ -115,7 +115,7 @@ public override AvailableSoftware searchForNewer()
             // The request hangs and times out without an User-Agent header,
             // so let's provide a simple curl User-Agent here.
             var client = new HttpClient();
-            client.DefaultRequestHeaders.Add("User-Agent", "curl/8.10.1");
+            client.DefaultRequestHeaders.Add("User-Agent", "curl/8.11.1");
             try
             {
                 var task = client.GetStringAsync("https://helpx.adobe.com/acrobat/release-note/release-notes-acrobat-reader.html");
diff --git a/updater/software/TeamSpeakClient.cs b/updater/software/TeamSpeakClient.cs
index 8f005c2..e0cdae4 100644
--- a/updater/software/TeamSpeakClient.cs
+++ b/updater/software/TeamSpeakClient.cs
@@ -170,7 +170,7 @@ public override AvailableSoftware searchForNewer()
             {
                 // Looks like we have to add a user agent to get a valid response.
                 // Without user agent the server returns "403 Forbidden".
-                client.DefaultRequestHeaders.Add("User-Agent", "curl/8.10.1");
+                client.DefaultRequestHeaders.Add("User-Agent", "curl/8.11.1");
                 try
                 {
                     var task = client.GetStringAsync("https://teamspeak.com/en/downloads/");
diff --git a/updater/software/WinMerge.cs b/updater/software/WinMerge.cs
index 83d2774..5a5bbbc 100644
--- a/updater/software/WinMerge.cs
+++ b/updater/software/WinMerge.cs
@@ -118,7 +118,7 @@ public override AvailableSoftware searchForNewer()
             var client = new HttpClient();
             // Server returns "503 Service Unavailable" when no user agent is
             // set, so we pretend to be curl.
-            client.DefaultRequestHeaders.Add("User-Agent", "curl/8.10.1");
+            client.DefaultRequestHeaders.Add("User-Agent", "curl/8.11.1");
             string response;
             try
             {