diff --git a/bigquery/release-please-config.json b/bigquery/release-please-config.json
index d70d668b569..ba4df3ee3fd 100644
--- a/bigquery/release-please-config.json
+++ b/bigquery/release-please-config.json
@@ -7,5 +7,6 @@
         "bigquery": {
             "component": "bigquery"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/bigtable/release-please-config.json b/bigtable/release-please-config.json
index 8456d2363c6..66e52f3a14c 100644
--- a/bigtable/release-please-config.json
+++ b/bigtable/release-please-config.json
@@ -7,5 +7,6 @@
         "bigtable": {
             "component": "bigtable"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/datastore/release-please-config.json b/datastore/release-please-config.json
index 6efacea9d39..3b324cd5421 100644
--- a/datastore/release-please-config.json
+++ b/datastore/release-please-config.json
@@ -7,5 +7,6 @@
         "datastore": {
             "component": "datastore"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
\ No newline at end of file
diff --git a/errorreporting/release-please-config.json b/errorreporting/release-please-config.json
index 1adf218d7c6..471f12999c7 100644
--- a/errorreporting/release-please-config.json
+++ b/errorreporting/release-please-config.json
@@ -7,5 +7,6 @@
         "errorreporting": {
             "component": "errorreporting"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/firestore/release-please-config.json b/firestore/release-please-config.json
index 0d2e8d80870..a8a895ec4a8 100644
--- a/firestore/release-please-config.json
+++ b/firestore/release-please-config.json
@@ -7,5 +7,6 @@
         "firestore": {
             "component": "firestore"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/logging/release-please-config.json b/logging/release-please-config.json
index 3e96284bf2e..ea0017bd7bd 100644
--- a/logging/release-please-config.json
+++ b/logging/release-please-config.json
@@ -7,5 +7,6 @@
         "logging": {
             "component": "logging"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
\ No newline at end of file
diff --git a/profiler/release-please-config.json b/profiler/release-please-config.json
index aed0c9aedeb..dde742e9d12 100644
--- a/profiler/release-please-config.json
+++ b/profiler/release-please-config.json
@@ -7,5 +7,6 @@
         "profiler": {
             "component": "profiler"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/pubsub/release-please-config.json b/pubsub/release-please-config.json
index 047dfe4b503..e10df8ac991 100644
--- a/pubsub/release-please-config.json
+++ b/pubsub/release-please-config.json
@@ -7,5 +7,6 @@
         "pubsub": {
             "component": "pubsub"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/pubsublite/release-please-config.json b/pubsublite/release-please-config.json
index 32d3a0497a2..779d5a96dae 100644
--- a/pubsublite/release-please-config.json
+++ b/pubsublite/release-please-config.json
@@ -7,5 +7,6 @@
         "pubsublite": {
             "component": "pubsublite"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/release-please-config-yoshi-submodules.json b/release-please-config-yoshi-submodules.json
index fe028df58f9..7f105eeae83 100644
--- a/release-please-config-yoshi-submodules.json
+++ b/release-please-config-yoshi-submodules.json
@@ -330,5 +330,6 @@
         "workflows": {
             "component": "workflows"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/release-please-config.json b/release-please-config.json
index 546e7c31ad5..1400245b8a3 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -6,5 +6,6 @@
     ".": {
       "component": "main"
     }
-  }
+  },
+  "plugins": ["sentence-case"]
 }
diff --git a/spanner/release-please-config.json b/spanner/release-please-config.json
index 931526ca8cf..40da99e84cf 100644
--- a/spanner/release-please-config.json
+++ b/spanner/release-please-config.json
@@ -7,5 +7,6 @@
         "spanner": {
             "component": "spanner"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }
diff --git a/storage/release-please-config.json b/storage/release-please-config.json
index 86e8a5759e9..5b7b812a947 100644
--- a/storage/release-please-config.json
+++ b/storage/release-please-config.json
@@ -7,5 +7,6 @@
         "storage": {
             "component": "storage"
         }
-    }
+    },
+    "plugins": ["sentence-case"]
 }