diff --git a/README.md b/README.md
index 9b1226f..220f50e 100644
--- a/README.md
+++ b/README.md
@@ -27,17 +27,17 @@ Pick a UI implementation and add the dependency:
 
 ````java
 dependencies {
-    debugImplementation 'com.github.kernel0x.finch:ui-drawer:2.2.11'
-    releaseImplementation 'com.github.kernel0x.finch:noop:2.2.11'
+    debugImplementation 'com.github.kernel0x.finch:ui-drawer:2.2.12'
+    releaseImplementation 'com.github.kernel0x.finch:noop:2.2.12'
     // optional only for OkHttp
-    debugImplementation 'com.github.kernel0x.finch:log-okhttp:2.2.11'
-    releaseImplementation 'com.github.kernel0x.finch:log-okhttp-noop:2.2.11'
+    debugImplementation 'com.github.kernel0x.finch:log-okhttp:2.2.12'
+    releaseImplementation 'com.github.kernel0x.finch:log-okhttp-noop:2.2.12'
     // optional only for GRPC
-    debugImplementation 'com.github.kernel0x.finch:log-grpc:2.2.11'
-    releaseImplementation 'com.github.kernel0x.finch:log-grpc-noop:2.2.11'
+    debugImplementation 'com.github.kernel0x.finch:log-grpc:2.2.12'
+    releaseImplementation 'com.github.kernel0x.finch:log-grpc-noop:2.2.12'
     // optional only for logs
-    debugImplementation 'com.github.kernel0x.finch:log:2.2.11'
-    releaseImplementation 'com.github.kernel0x.finch:log-noop:2.2.11'
+    debugImplementation 'com.github.kernel0x.finch:log:2.2.12'
+    releaseImplementation 'com.github.kernel0x.finch:log-noop:2.2.12'
 }
 ````
 
diff --git a/dependencies.gradle b/dependencies.gradle
index 97fa928..b263899 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -2,7 +2,7 @@ ext.versions = [
         minSdk            : 21,
         targetSdk         : 34,
         compileSdk        : 34,
-        libraryVersion    : '2.2.11',
+        libraryVersion    : '2.2.12',
         libraryVersionCode: 15,
 
         okhttp3           : '3.7.0',
diff --git a/log-grpc/src/main/java/com/kernel/finch/networklog/grpc/FinchClientInterceptor.kt b/log-grpc/src/main/java/com/kernel/finch/networklog/grpc/FinchClientInterceptor.kt
index 6b04d56..d6a6e46 100644
--- a/log-grpc/src/main/java/com/kernel/finch/networklog/grpc/FinchClientInterceptor.kt
+++ b/log-grpc/src/main/java/com/kernel/finch/networklog/grpc/FinchClientInterceptor.kt
@@ -52,10 +52,13 @@ internal class FinchClientInterceptor : ClientInterceptor {
                             responseListener
                         ) {
                         override fun onMessage(message: RespT) {
+                            val body = if (message == null)
+                                ""
+                            else
+                                TextFormat.printer().escapingNonAscii(false)
+                                    .printToString(message as MessageOrBuilder)
                             networkLog.responseBody =
-                                TextFormat.printer().escapingNonAscii(false).printToString(
-                                    message as MessageOrBuilder
-                                )
+                                body
                             networkLog.responseContentLength =
                                 networkLog.responseBody.toByteArray().size.toLong()
                             FinchGrpcLogger.logNetworkEvent(networkLog)
@@ -88,9 +91,13 @@ internal class FinchClientInterceptor : ClientInterceptor {
             }
 
             override fun sendMessage(message: ReqT) {
-                networkLog.requestBody = TextFormat.printer().escapingNonAscii(false).printToString(
-                    message as MessageOrBuilder
-                )
+                val body = if (message == null)
+                    ""
+                else
+                    TextFormat.printer().escapingNonAscii(false)
+                        .printToString(message as MessageOrBuilder)
+                networkLog.requestBody =
+                    body
                 networkLog.requestContentLength =
                     networkLog.requestBody.toByteArray().size.toLong()
                 FinchGrpcLogger.logNetworkEvent(networkLog)
diff --git a/sample/build.gradle b/sample/build.gradle
index 6c57b12..ef5da8e 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -29,12 +29,12 @@ android {
 }
 
 dependencies {
-    //debugImplementation 'com.github.kernel0x.finch:ui-drawer:2.2.11'
-    //releaseImplementation 'com.github.kernel0x.finch:noop:2.2.11'
-    //debugImplementation 'com.github.kernel0x.finch:log-okhttp:2.2.11'
-    //releaseImplementation 'com.github.kernel0x.finch:log-okhttp-noop:2.2.11'
-    //debugImplementation 'com.github.kernel0x.finch:log:2.2.11'
-    //releaseImplementation 'com.github.kernel0x.finch:log-noop:2.2.11'
+    //debugImplementation 'com.github.kernel0x.finch:ui-drawer:2.2.12'
+    //releaseImplementation 'com.github.kernel0x.finch:noop:2.2.12'
+    //debugImplementation 'com.github.kernel0x.finch:log-okhttp:2.2.12'
+    //releaseImplementation 'com.github.kernel0x.finch:log-okhttp-noop:2.2.12'
+    //debugImplementation 'com.github.kernel0x.finch:log:2.2.12'
+    //releaseImplementation 'com.github.kernel0x.finch:log-noop:2.2.12'
     debugImplementation project(":ui-drawer")
     debugImplementation project(":log")
     debugImplementation project(":log-okhttp")