diff --git a/projects/juju/Dockerfile b/projects/juju/Dockerfile
new file mode 100644
index 000000000..0b59dcea4
--- /dev/null
+++ b/projects/juju/Dockerfile
@@ -0,0 +1,20 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN git clone --depth 1 https://github.com/juju/juju
+COPY build.sh storage_fuzzer.go $SRC/
+WORKDIR $SRC/juju
diff --git a/projects/juju/build.sh b/projects/juju/build.sh
new file mode 100644
index 000000000..7dc892c23
--- /dev/null
+++ b/projects/juju/build.sh
@@ -0,0 +1,25 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+mv $SRC/storage_fuzzer.go $SRC/juju/storage/
+
+if [[ $SANITIZER = *coverage* ]]; then
+	compile_go_fuzzer github.com/juju/juju/storage Fuzz storage_fuzzer
+	exit 0
+fi
+
+compile_go_fuzzer ./storage Fuzz storage_fuzzer
diff --git a/projects/juju/project.yaml b/projects/juju/project.yaml
new file mode 100644
index 000000000..709249ffb
--- /dev/null
+++ b/projects/juju/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://juju.is"
+main_repo: "https://github.com/juju/juju"
+primary_contact: "stickupkid@gmail.com"
+auto_ccs :
+  - "adam@adalogics.com"
+language: go
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
diff --git a/projects/juju/storage_fuzzer.go b/projects/juju/storage_fuzzer.go
new file mode 100644
index 000000000..17e2a0e06
--- /dev/null
+++ b/projects/juju/storage_fuzzer.go
@@ -0,0 +1,24 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package storage
+
+func Fuzz(data []byte) int {
+	_, err := ParseConstraints(string(data))
+	if err != nil {
+		return 0
+	}
+	return 1
+}