diff --git a/core/.bazelignore b/core/.bazelignore
index a61f183f..850ed9f9 100644
--- a/core/.bazelignore
+++ b/core/.bazelignore
@@ -1,2 +1,2 @@
-bazel-*
+bazel-core
 testing
diff --git a/testing/python/.bazelignore b/testing/python/.bazelignore
new file mode 100644
index 00000000..19c59ca6
--- /dev/null
+++ b/testing/python/.bazelignore
@@ -0,0 +1 @@
+bazel-python
diff --git a/toolchains/java/.bazelignore b/toolchains/java/.bazelignore
new file mode 100644
index 00000000..ad4a6254
--- /dev/null
+++ b/toolchains/java/.bazelignore
@@ -0,0 +1 @@
+bazel-java
diff --git a/toolchains/nodejs/.bazelignore b/toolchains/nodejs/.bazelignore
index a61f183f..18a75781 100644
--- a/toolchains/nodejs/.bazelignore
+++ b/toolchains/nodejs/.bazelignore
@@ -1,2 +1,2 @@
-bazel-*
+bazel-nodejs
 testing
diff --git a/toolchains/nodejs/testing/.bazelignore b/toolchains/nodejs/testing/.bazelignore
new file mode 100644
index 00000000..0d9926e8
--- /dev/null
+++ b/toolchains/nodejs/testing/.bazelignore
@@ -0,0 +1 @@
+bazel-nodejs
diff --git a/toolchains/rust/.bazelignore b/toolchains/rust/.bazelignore
new file mode 100644
index 00000000..ee88e845
--- /dev/null
+++ b/toolchains/rust/.bazelignore
@@ -0,0 +1 @@
+bazel-rust