diff --git a/java/google/registry/proxy/BUILD b/java/google/registry/proxy/BUILD
index c6d3969d5..79719ae3e 100644
--- a/java/google/registry/proxy/BUILD
+++ b/java/google/registry/proxy/BUILD
@@ -18,7 +18,6 @@ java_library(
         "config/*.yaml",
     ]),
     deps = [
-        "//java/com/google/common/logging:formatting_logger",
         "//java/google/registry/config",
         "//java/google/registry/util",
         "@com_beust_jcommander",
diff --git a/java/google/registry/proxy/ProxyModule.java b/java/google/registry/proxy/ProxyModule.java
index fa5a7a07a..1b6ef6027 100644
--- a/java/google/registry/proxy/ProxyModule.java
+++ b/java/google/registry/proxy/ProxyModule.java
@@ -28,7 +28,7 @@ import com.google.api.services.cloudkms.v1.model.DecryptRequest;
 import com.google.api.services.storage.Storage;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Maps;
-import com.google.common.logging.FormattingLogger;
+import com.google.common.flogger.LoggerConfig;
 import com.google.monitoring.metrics.MetricReporter;
 import dagger.Component;
 import dagger.Module;
@@ -56,7 +56,6 @@ import java.util.function.Supplier;
 import java.util.logging.ConsoleHandler;
 import java.util.logging.Handler;
 import java.util.logging.Level;
-import java.util.logging.Logger;
 import javax.inject.Named;
 import javax.inject.Singleton;
 
@@ -67,8 +66,6 @@ import javax.inject.Singleton;
 @Module
 public class ProxyModule {
 
-  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
-
   @Parameter(names = "--whois", description = "Port for WHOIS")
   private Integer whoisPort;
 
@@ -96,8 +93,8 @@ public class ProxyModule {
    */
   private void configureLogging() {
     // Remove all other handlers on the root logger to avoid double logging.
-    Logger rootLogger = Logger.getLogger("");
-    Arrays.asList(rootLogger.getHandlers()).forEach(rootLogger::removeHandler);
+    LoggerConfig rootLoggerConfig = LoggerConfig.getConfig("");
+    Arrays.asList(rootLoggerConfig.getHandlers()).forEach(rootLoggerConfig::removeHandler);
 
     // If running on in a non-local environment, use GCP JSON formatter.
     Handler rootHandler = new ConsoleHandler();
@@ -105,7 +102,7 @@ public class ProxyModule {
     if (env != Environment.LOCAL) {
       rootHandler.setFormatter(new GcpJsonFormatter());
     }
-    rootLogger.addHandler(rootHandler);
+    rootLoggerConfig.addHandler(rootHandler);
   }
 
   /**
@@ -170,7 +167,7 @@ public class ProxyModule {
   @Provides
   LoggingHandler provideLoggingHandler() {
     if (log) {
-      Logger.getLogger("io.netty.handler.logging.LoggingHandler").setLevel(Level.FINE);
+      LoggerConfig.getConfig(io.netty.handler.logging.LoggingHandler.class).setLevel(Level.FINE);
     }
     return new LoggingHandler(LogLevel.DEBUG);
   }
@@ -185,8 +182,7 @@ public class ProxyModule {
       }
       return credential;
     } catch (IOException e) {
-      logger.severe(e, "Unable to obtain OAuth2 credential.");
-      throw new RuntimeException(e);
+      throw new RuntimeException("Unable to obtain OAuth2 credential.", e);
     }
   }
 
@@ -201,8 +197,7 @@ public class ProxyModule {
           try {
             credential.refreshToken();
           } catch (IOException e) {
-            logger.severe(e, "Cannot refresh access token.");
-            throw new RuntimeException(e);
+            throw new RuntimeException("Cannot refresh access token.", e);
           }
           return credential.getAccessToken();
         },
@@ -240,12 +235,11 @@ public class ProxyModule {
           .executeMediaAndDownloadTo(outputStream);
       return outputStream.toByteArray();
     } catch (IOException e) {
-      logger.severefmt(
-          e,
-          "Error reading encrypted PEM file %s from GCS bucket %s",
-          config.gcs.sslPemFilename,
-          config.gcs.bucket);
-      throw new RuntimeException(e);
+      throw new RuntimeException(
+          String.format(
+              "Error reading encrypted PEM file %s from GCS bucket %s",
+              config.gcs.sslPemFilename, config.gcs.bucket),
+          e);
     }
   }
 
@@ -269,8 +263,8 @@ public class ProxyModule {
           .execute()
           .decodePlaintext();
     } catch (IOException e) {
-      logger.severefmt(e, "PEM file decryption failed using CryptoKey: %s", cryptoKeyUrl);
-      throw new RuntimeException(e);
+      throw new RuntimeException(
+          String.format("PEM file decryption failed using CryptoKey: %s", cryptoKeyUrl), e);
     }
   }
 
diff --git a/java/google/registry/repositories.bzl b/java/google/registry/repositories.bzl
index 6ab8a98c6..eb3ac5454 100644
--- a/java/google/registry/repositories.bzl
+++ b/java/google/registry/repositories.bzl
@@ -68,6 +68,7 @@ def domain_registry_repositories(
     omit_com_google_errorprone_error_prone_annotations=False,
     omit_com_google_errorprone_javac_shaded=False,
     omit_com_google_flogger=False,
+    omit_com_google_flogger_system_backend=False,
     omit_com_google_gdata_core=False,
     omit_com_google_googlejavaformat_google_java_format=False,
     omit_com_google_guava=False,
@@ -252,6 +253,8 @@ def domain_registry_repositories(
     com_google_errorprone_javac_shaded()
   if not omit_com_google_flogger:
     com_google_flogger()
+  if not omit_com_google_flogger_system_backend:
+    com_google_flogger_system_backend()
   if not omit_com_google_gdata_core:
     com_google_gdata_core()
   if not omit_com_google_googlejavaformat_google_java_format:
@@ -1268,6 +1271,21 @@ def com_google_flogger():
       deps = ["@com_google_code_findbugs_jsr305"],
 )
 
+def com_google_flogger_system_backend():
+  java_import_external(
+      name = "com_google_flogger_system_backend",
+      licenses = ["notice"],  # Apache 2.0
+      jar_sha256 = "7b5c1816fb174a768e7a6a09800feb53a6a094af7cbc5d3a9663b2735e97074d",
+      jar_urls = [
+          "http://repo1.maven.org/maven2/com/google/flogger/flogger-system-backend/0.1/flogger-system-backend-0.1.jar",
+          "http://maven.ibiblio.org/maven2/com/google/flogger/flogger-system-backend/0.1/flogger-system-backend-0.1.jar",
+      ],
+      deps = [
+          "@com_google_flogger",
+          "@com_google_code_findbugs_jsr305",
+      ],
+  )
+
 def com_google_gdata_core():
   java_import_external(
       name = "com_google_gdata_core",