diff --git a/.travis.yml b/.travis.yml
index 1fa163ac0..c32131978 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -51,19 +51,19 @@ jobs:
     - <<: *linux
       env: TEST_SCRIPT=test_rules_scala
     - <<: *linux
-      env: TEST_SCRIPT=test_rules_scala BAZEL_VERSION=1.1.0
+      env: TEST_SCRIPT=test_rules_scala BAZEL_VERSION=1.2.1
     - <<: *linux
       env: TEST_SCRIPT=test_reproducibility
     - <<: *linux
-      env: TEST_SCRIPT=test_reproducibility BAZEL_VERSION=1.1.0
+      env: TEST_SCRIPT=test_reproducibility BAZEL_VERSION=1.2.1
     - <<: *osx
       env: TEST_SCRIPT=test_rules_scala
     - <<: *osx
-      env: TEST_SCRIPT=test_rules_scala BAZEL_VERSION=1.1.0
+      env: TEST_SCRIPT=test_rules_scala BAZEL_VERSION=1.2.1
     - <<: *osx
       env: TEST_SCRIPT=test_reproducibility
     - <<: *osx
-      env: TEST_SCRIPT=test_reproducibility BAZEL_VERSION=1.1.0
+      env: TEST_SCRIPT=test_reproducibility BAZEL_VERSION=1.2.1
 
 before_install:
   - |
diff --git a/README.md b/README.md
index 6a54ed03a..058115a12 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ for an example workspace using another scala version.
 
 | bazel  | rules_scala gitsha |
 |--------|--------------------|
-| 1.1.0  | HEAD               |
+| 1.2.1  | HEAD               |
 | 0.28.0 | HEAD               |
 | 0.23.x | ca655e5a330cbf1d66ce1d9baa63522752ec6011 |                                     |
 | 0.22.x | f3113fb6e9e35cb8f441d2305542026d98afc0a2 |
diff --git a/tools/bazel b/tools/bazel
index 0874bba50..ba2be792c 100755
--- a/tools/bazel
+++ b/tools/bazel
@@ -31,9 +31,9 @@ case "$bazel_version" in
         darwin_sha='5d50ae13ba01a224ddf54cfd818289bee5b38e551cca22bffc79b89f377d2095'
         linux_sha='a2a7e4cb38d7bc774a5bbfab4d45293f5f2158eb6caf0128792cc1148732a4e6'
         ;;
-    '1.1.0')
-        darwin_sha='1a552f4ce194860fbbd50eeb319f81788ddf50a849e92378eec72231cc64ef65'
-        linux_sha='14301099c87568db302d59a5d3585f5eb8a6250ac2c6bb0367c56e623ff6e65f'
+    '1.2.1')
+        darwin_sha='59e469bf1d8d1615b67856ea17e761be05e9c92b462e55c0354cd78145b480d5'
+        linux_sha='ae6249e25b0f5a06d79fad90325477dd56275657951cf7aa6a3cbcd79fc4d749'
         ;;
     *)
         echo "The requested Bazel version '$bazel_version' is not supported"