diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/Protocol1_20_3To1_20_5.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/Protocol1_20_3To1_20_5.java
index a18086dd..a28e9870 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/Protocol1_20_3To1_20_5.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/Protocol1_20_3To1_20_5.java
@@ -164,6 +164,20 @@ public final class Protocol1_20_3To1_20_5 extends BackwardsProtocol<ClientboundP
             }
         }.registerDeclareCommands1_19(ClientboundPackets1_20_5.DECLARE_COMMANDS);
 
+        registerClientbound(State.LOGIN, ClientboundLoginPackets.GAME_PROFILE, wrapper -> {
+            wrapper.passthrough(Type.UUID); // UUID
+            wrapper.passthrough(Type.STRING); // Name
+
+            final int properties = wrapper.passthrough(Type.VAR_INT);
+            for (int i = 0; i < properties; i++) {
+                wrapper.passthrough(Type.STRING); // Name
+                wrapper.passthrough(Type.STRING); // Value
+                wrapper.passthrough(Type.OPTIONAL_STRING); // Signature
+            }
+
+            wrapper.read(Type.BOOLEAN); // Strict error handling
+        });
+
         cancelClientbound(ClientboundPackets1_20_5.PROJECTILE_POWER);
         cancelClientbound(ClientboundPackets1_20_5.DEBUG_SAMPLE);
     }
diff --git a/gradle.properties b/gradle.properties
index ce44ef88..a1ba5a39 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-projectVersion=4.10.0-1.20.5-pre2-SNAPSHOT
+projectVersion=4.10.0-1.20.5-rc1-SNAPSHOT
 
 # Smile emoji
 mcVersions=1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d8420487..42176c50 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ metadata.format.version = "1.1"
 [versions]
 
 # ViaVersion
-viaver = "4.10.0-1.20.5-pre2-SNAPSHOT"
+viaver = "4.10.0-1.20.5-rc1-SNAPSHOT"
 
 # Common provided
 netty = "4.0.20.Final"