diff --git a/projects/jackson-modules-java8/DatatypeFuzzer.java b/projects/jackson-modules-java8/DatatypeFuzzer.java
new file mode 100644
index 000000000..499ca9eee
--- /dev/null
+++ b/projects/jackson-modules-java8/DatatypeFuzzer.java
@@ -0,0 +1,50 @@
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectReader;
+import java.io.IOException;
+import java.util.Optional;
+import java.util.List;
+import com.code_intelligence.jazzer.api.FuzzerSecurityIssueLow;
+import com.fasterxml.jackson.annotation.JsonMerge;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+
+public class DatatypeFuzzer {
+    public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+        String content = data.consumeString(100);
+        String merge = data.consumeRemainingAsString();
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.registerModule(new JavaTimeModule());
+        mapper.registerModule(new Jdk8Module());
+
+        try {
+            Dummy dummy1 = mapper.readValue(content, Dummy.class);
+            Dummy dummy2 = mapper.readValue(mapper.writeValueAsString(dummy1), Dummy.class);
+            if (!dummy1.equals(dummy2)) {
+                throw new FuzzerSecurityIssueLow("Different values " + dummy1.debug() + " != " + dummy2.debug());
+            }
+            mapper.readerForUpdating(merge);
+        } catch (IOException e) {
+        }
+    }
+
+    public static class Dummy {
+        public Optional<String> value = Optional.empty();
+        public Optional<Boolean> bool = Optional.empty();;
+
+        @JsonMerge
+        public Optional<List<String>> list = Optional.empty();
+
+        public OptionalInt optint = OptionalInt.empty();
+        public OptionalLong optlong = OptionalLong.empty();
+        public OptionalDouble optdouble = OptionalDouble.empty();
+
+        public String debug() { 
+            return "%s %s %s %s %s %s".formatted(this.value, this.bool, this.list, this.optint, this.optlong, this.optdouble);
+        } 
+    }
+}
diff --git a/projects/jackson-modules-java8/Dockerfile b/projects/jackson-modules-java8/Dockerfile
new file mode 100644
index 000000000..383089b05
--- /dev/null
+++ b/projects/jackson-modules-java8/Dockerfile
@@ -0,0 +1,33 @@
+# Copyright 2022 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-jvm
+
+RUN curl -L https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip -o maven.zip && \
+    unzip maven.zip -d $SRC/maven && \
+    rm -rf maven.zip
+
+ENV MVN $SRC/maven/apache-maven-3.6.3/bin/mvn
+
+RUN git clone --depth 1 https://github.com/google/fuzzing && \
+    mv fuzzing/dictionaries/json.dict $SRC/YamlFuzzer.dict && \
+    rm -rf fuzzing
+
+RUN git clone --depth 1 https://github.com/FasterXML/jackson-modules-java8
+
+COPY build.sh $SRC/
+COPY *Fuzzer.java $SRC/
+WORKDIR $SRC/jackson-modules-java8
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diff --git a/projects/jackson-modules-java8/build.sh b/projects/jackson-modules-java8/build.sh
new file mode 100755
index 000000000..d42b79c71
--- /dev/null
+++ b/projects/jackson-modules-java8/build.sh
@@ -0,0 +1,54 @@
+#!/bin/bash -eu
+# Copyright 2022 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/*.dict $OUT
+
+MAVEN_ARGS="-Djavac.src.version=15 -Djavac.target.version=15 -DskipTests"
+$MVN package org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade $MAVEN_ARGS
+CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
+ -Dexpression=project.version -q -DforceStdout)
+cp "datetime/target/jackson-datatype-jsr310-$CURRENT_VERSION.jar" "$OUT/jackson-datetime.jar"
+cp "datatypes/target/jackson-datatype-jdk8-$CURRENT_VERSION.jar" "$OUT/jackson-datatype.jar"
+
+ALL_JARS="jackson-datatype.jar jackson-datetime.jar"
+
+# The classpath at build-time includes the project jars in $OUT as well as the
+# Jazzer API.
+BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH
+
+# All .jar and .class files lie in the same directory as the fuzzer at runtime.
+RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir
+
+for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
+  fuzzer_basename=$(basename -s .java $fuzzer)
+  javac -cp $BUILD_CLASSPATH $fuzzer
+  cp $SRC/$fuzzer_basename.class $OUT/
+  cp $SRC/$fuzzer_basename\$Dummy.class $OUT/
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/sh
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
+\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
+--instrumentation_includes=com.fasterxml.jackson.datatype.** \
+--cp=$RUNTIME_CLASSPATH \
+--target_class=$fuzzer_basename \
+--jvm_args=\"-Xmx2048m\" \
+\$@" > $OUT/$fuzzer_basename
+  chmod u+x $OUT/$fuzzer_basename
+done 
\ No newline at end of file
diff --git a/projects/jackson-modules-java8/project.yaml b/projects/jackson-modules-java8/project.yaml
new file mode 100644
index 000000000..4f623eef5
--- /dev/null
+++ b/projects/jackson-modules-java8/project.yaml
@@ -0,0 +1,13 @@
+homepage: "https://github.com/FasterXML/jackson-modules-java8"
+language: jvm
+main_repo: "https://github.com/FasterXML/jackson-modules-java8.git"
+primary_contact: "tatu@fasterxml.com"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+vendor_ccs:
+  - "wagner@code-intelligence.com"
+  - "yakdan@code-intelligence.com"
+  - "glendowne@code-intelligence.com"
+  - "patrice.salathe@code-intelligence.com"
\ No newline at end of file