diff --git a/lib/open_feature/sdk/provider/reason.rb b/lib/open_feature/sdk/provider/reason.rb
index 28a85d44..5180f3f2 100644
--- a/lib/open_feature/sdk/provider/reason.rb
+++ b/lib/open_feature/sdk/provider/reason.rb
@@ -7,6 +7,7 @@ module Reason
         STATIC = "STATIC"
         DEFAULT = "DEFAULT"
         TARGETING_MATCH = "TARGETING_MATCH"
+        TARGETING_MATCH_SPLIT = "TARGETING_MATCH_SPLIT"
         SPLIT = "SPLIT"
         CACHED = "CACHED"
         DISABLED = "DISABLED"
diff --git a/sig/open_feature/sdk/provider/reason.rbs b/sig/open_feature/sdk/provider/reason.rbs
index 682bfdc0..cb52a923 100644
--- a/sig/open_feature/sdk/provider/reason.rbs
+++ b/sig/open_feature/sdk/provider/reason.rbs
@@ -8,6 +8,7 @@ module OpenFeature
         SPLIT: String
         CACHED: String
         DISABLED: String
+        TARGETING_MATCH_SPLIT: String
         UNKNOWN: String
         STALE: String
         ERROR: String