diff --git a/gapic-generator-java-bom/pom.xml b/gapic-generator-java-bom/pom.xml
index 086fab666e..0608230e73 100644
--- a/gapic-generator-java-bom/pom.xml
+++ b/gapic-generator-java-bom/pom.xml
@@ -63,6 +63,11 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-javalite</artifactId>
+        <version>${protobuf.version}</version>
+      </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-bom</artifactId>
diff --git a/gax-java/gax-httpjson/pom.xml b/gax-java/gax-httpjson/pom.xml
index cea01dc75e..c27ef29291 100644
--- a/gax-java/gax-httpjson/pom.xml
+++ b/gax-java/gax-httpjson/pom.xml
@@ -50,7 +50,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>org.threeten</groupId>
diff --git a/gax-java/gax/pom.xml b/gax-java/gax/pom.xml
index 0bbe3a8f7c..fc9b6c7d6b 100644
--- a/gax-java/gax/pom.xml
+++ b/gax-java/gax/pom.xml
@@ -36,7 +36,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>org.threeten</groupId>
diff --git a/gax-java/pom.xml b/gax-java/pom.xml
index fda6ea43ff..c8b531dbf3 100644
--- a/gax-java/pom.xml
+++ b/gax-java/pom.xml
@@ -148,6 +148,11 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-javalite</artifactId>
+        <version>${protobuf.version}</version>
+      </dependency>
       <dependency>
         <groupId>io.opentelemetry</groupId>
         <artifactId>opentelemetry-bom</artifactId>
diff --git a/hermetic_build/library_generation/generate_library.sh b/hermetic_build/library_generation/generate_library.sh
index 2625021ea6..f77f04c879 100755
--- a/hermetic_build/library_generation/generate_library.sh
+++ b/hermetic_build/library_generation/generate_library.sh
@@ -220,7 +220,7 @@ case "${proto_path}" in
     done
     ;;
 esac
-"$protoc_path"/protoc "--java_out=${temp_destination_path}/java_proto.jar" ${proto_files}
+"$protoc_path"/protoc "--java_out=lite:${temp_destination_path}/java_proto.jar" ${proto_files}
 if [[ "${proto_only}" == "false" ]]; then
   # move java_gapic_srcjar/proto/src/main/java (generated resource name helper class)
   # to proto-*/src/main
diff --git a/java-common-protos/grpc-google-common-protos/pom.xml b/java-common-protos/grpc-google-common-protos/pom.xml
index d6866eb689..0681575024 100644
--- a/java-common-protos/grpc-google-common-protos/pom.xml
+++ b/java-common-protos/grpc-google-common-protos/pom.xml
@@ -27,7 +27,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
diff --git a/java-common-protos/pom.xml b/java-common-protos/pom.xml
index 4dc39cb547..6e8288a5b3 100644
--- a/java-common-protos/pom.xml
+++ b/java-common-protos/pom.xml
@@ -55,12 +55,17 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+<!--      <dependency>-->
+<!--        <groupId>com.google.protobuf</groupId>-->
+<!--        <artifactId>protobuf-bom</artifactId>-->
+<!--        <version>${protobuf.version}</version>-->
+<!--        <type>pom</type>-->
+<!--        <scope>import</scope>-->
+<!--      </dependency>-->
       <dependency>
         <groupId>com.google.protobuf</groupId>
-        <artifactId>protobuf-bom</artifactId>
+        <artifactId>protobuf-javalite</artifactId>
         <version>${protobuf.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
diff --git a/java-common-protos/proto-google-common-protos/pom.xml b/java-common-protos/proto-google-common-protos/pom.xml
index 8dda45c616..de193c39ac 100644
--- a/java-common-protos/proto-google-common-protos/pom.xml
+++ b/java-common-protos/proto-google-common-protos/pom.xml
@@ -14,7 +14,7 @@
   <dependencies>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
   </dependencies>
 
diff --git a/java-core/google-cloud-core/pom.xml b/java-core/google-cloud-core/pom.xml
index 759281bb68..8fa70882f4 100644
--- a/java-core/google-cloud-core/pom.xml
+++ b/java-core/google-cloud-core/pom.xml
@@ -68,7 +68,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.errorprone</groupId>
diff --git a/java-iam/grpc-google-iam-v1/pom.xml b/java-iam/grpc-google-iam-v1/pom.xml
index 242988f375..39be14ccff 100644
--- a/java-iam/grpc-google-iam-v1/pom.xml
+++ b/java-iam/grpc-google-iam-v1/pom.xml
@@ -27,7 +27,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
diff --git a/java-iam/grpc-google-iam-v2/pom.xml b/java-iam/grpc-google-iam-v2/pom.xml
index 9e7c5ca27c..76c05b4c1f 100644
--- a/java-iam/grpc-google-iam-v2/pom.xml
+++ b/java-iam/grpc-google-iam-v2/pom.xml
@@ -27,7 +27,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/java-iam/grpc-google-iam-v2beta/pom.xml b/java-iam/grpc-google-iam-v2beta/pom.xml
index ffe7bc43cd..24d3f84da5 100644
--- a/java-iam/grpc-google-iam-v2beta/pom.xml
+++ b/java-iam/grpc-google-iam-v2beta/pom.xml
@@ -27,7 +27,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/java-iam/pom.xml b/java-iam/pom.xml
index 4974c54057..10b71bd627 100644
--- a/java-iam/pom.xml
+++ b/java-iam/pom.xml
@@ -61,12 +61,17 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+<!--      <dependency>-->
+<!--        <groupId>com.google.protobuf</groupId>-->
+<!--        <artifactId>protobuf-bom</artifactId>-->
+<!--        <version>${protobuf.version}</version>-->
+<!--        <type>pom</type>-->
+<!--        <scope>import</scope>-->
+<!--      </dependency>-->
       <dependency>
         <groupId>com.google.protobuf</groupId>
-        <artifactId>protobuf-bom</artifactId>
+        <artifactId>protobuf-javalite</artifactId>
         <version>${protobuf.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
diff --git a/java-iam/proto-google-iam-v1/pom.xml b/java-iam/proto-google-iam-v1/pom.xml
index 9c6c593c09..572b1fba5e 100644
--- a/java-iam/proto-google-iam-v1/pom.xml
+++ b/java-iam/proto-google-iam-v1/pom.xml
@@ -14,7 +14,7 @@
   <dependencies>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/java-iam/proto-google-iam-v2/pom.xml b/java-iam/proto-google-iam-v2/pom.xml
index 0da16d6f72..91d042159b 100644
--- a/java-iam/proto-google-iam-v2/pom.xml
+++ b/java-iam/proto-google-iam-v2/pom.xml
@@ -15,7 +15,7 @@
   <dependencies>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/java-iam/proto-google-iam-v2beta/pom.xml b/java-iam/proto-google-iam-v2beta/pom.xml
index a3e5efbc6b..c5275c79c5 100644
--- a/java-iam/proto-google-iam-v2beta/pom.xml
+++ b/java-iam/proto-google-iam-v2beta/pom.xml
@@ -15,7 +15,7 @@
   <dependencies>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/java-shared-dependencies/upper-bound-check/pom.xml b/java-shared-dependencies/upper-bound-check/pom.xml
index 2fc2bd51c8..584ac24a41 100644
--- a/java-shared-dependencies/upper-bound-check/pom.xml
+++ b/java-shared-dependencies/upper-bound-check/pom.xml
@@ -139,7 +139,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
diff --git a/showcase/gapic-showcase/pom.xml b/showcase/gapic-showcase/pom.xml
index 2549eb199f..8bc38ad533 100644
--- a/showcase/gapic-showcase/pom.xml
+++ b/showcase/gapic-showcase/pom.xml
@@ -95,7 +95,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/showcase/grpc-gapic-showcase-v1beta1/pom.xml b/showcase/grpc-gapic-showcase-v1beta1/pom.xml
index 9fce31015f..2a2becfc1b 100644
--- a/showcase/grpc-gapic-showcase-v1beta1/pom.xml
+++ b/showcase/grpc-gapic-showcase-v1beta1/pom.xml
@@ -32,7 +32,7 @@
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/showcase/proto-gapic-showcase-v1beta1/pom.xml b/showcase/proto-gapic-showcase-v1beta1/pom.xml
index cef41f54ff..35ade46a01 100644
--- a/showcase/proto-gapic-showcase-v1beta1/pom.xml
+++ b/showcase/proto-gapic-showcase-v1beta1/pom.xml
@@ -20,7 +20,7 @@
   <dependencies>
     <dependency>
       <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
+      <artifactId>protobuf-javalite</artifactId>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>