diff --git a/docs/ReleaseNotes.md b/docs/ReleaseNotes.md
index 893ec2de0..185a679f4 100644
--- a/docs/ReleaseNotes.md
+++ b/docs/ReleaseNotes.md
@@ -8,7 +8,7 @@ Current package versions:
 
 ## Unreleased
 
-- (none)
+- Fix [#2951](https://github.com/StackExchange/StackExchange.Redis/issues/2951) - sentinel reconnection failure ([#2956 by mgravell](https://github.com/StackExchange/StackExchange.Redis/pull/2956))
 
 ## 2.9.17
 
diff --git a/src/StackExchange.Redis/ConnectionMultiplexer.cs b/src/StackExchange.Redis/ConnectionMultiplexer.cs
index bf6b66674..4b06baf27 100644
--- a/src/StackExchange.Redis/ConnectionMultiplexer.cs
+++ b/src/StackExchange.Redis/ConnectionMultiplexer.cs
@@ -1649,6 +1649,7 @@ internal async Task<bool> ReconfigureAsync(bool first, bool reconfigureAll, ILog
                                 if (primary == preferred || primary.IsReplica)
                                 {
                                     log?.LogInformationClearingAsRedundantPrimary(new(primary));
+                                    primary.ClearUnselectable(UnselectableFlags.RedundantPrimary);
                                 }
                                 else
                                 {