diff --git a/.gitignore b/.gitignore
index 17e3b6f81..5254bc9ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -97,6 +97,7 @@ nomulus.iws
 !/gradle/wrapper/**/*.jar
 .gradle/
 **/build
+cloudbuild-caches/
 node_modules/**
 /repos/
 
diff --git a/config/presubmits.py b/config/presubmits.py
index 4559ea792..f5f6eef7d 100644
--- a/config/presubmits.py
+++ b/config/presubmits.py
@@ -22,7 +22,7 @@ import sys
 import re
 
 # We should never analyze any generated files
-UNIVERSALLY_SKIPPED_PATTERNS = {"/build/", "/out/"}
+UNIVERSALLY_SKIPPED_PATTERNS = {"/build/", "cloudbuild-caches", "/out/"}
 # We can't rely on CI to have the Enum package installed so we do this instead.
 FORBIDDEN = 1
 REQUIRED = 2
diff --git a/java_common.gradle b/java_common.gradle
index d77f39b8a..4d6fdd749 100644
--- a/java_common.gradle
+++ b/java_common.gradle
@@ -115,6 +115,7 @@ spotless {
   format 'misc', {
     clearSteps()
     target '**/*.gradle'
+    targetExclude '**/cloudbuild-caches/**'
     trimTrailingWhitespace()
     indentWithSpaces(2)
     endWithNewline()
diff --git a/release/build_nomulus_for_env.sh b/release/build_nomulus_for_env.sh
index 87e778dc6..fc82ef811 100755
--- a/release/build_nomulus_for_env.sh
+++ b/release/build_nomulus_for_env.sh
@@ -29,6 +29,13 @@ environment="$1"
 dest="$2"
 gcs_prefix="storage.googleapis.com/domain-registry-maven-repository"
 
+# Let Gradle put its caches (dependency cache and build cache) in the source
+# tree. This allows sharing of the caches between steps in a Cloud Build
+# task. (See ./cloudbuild-nomulus.yaml, which calls this script in several
+# steps). If left at their default location, the caches will be lost after
+# each step.
+export GRADLE_USER_HOME="./cloudbuild-caches"
+
 if [ "${environment}" == tool ]
 then
   mkdir -p "${dest}"