diff --git a/projects/bignum-fuzzer/Dockerfile b/projects/bignum-fuzzer/Dockerfile
index 87289de32..cc31b61fe 100644
--- a/projects/bignum-fuzzer/Dockerfile
+++ b/projects/bignum-fuzzer/Dockerfile
@@ -20,6 +20,7 @@ RUN apt-get update && apt-get install -y software-properties-common python-softw
 RUN add-apt-repository -y ppa:gophers/archive && apt-get update && apt-get install -y golang-1.9-go
 RUN ln -s /usr/lib/go-1.9/bin/go /usr/bin/go
 
+RUN wget https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-2.4.2.tar.gz
 RUN git clone --recursive https://github.com/golang/go
 RUN git clone --depth 1 https://github.com/guidovranken/bignum-fuzzer
 RUN git clone --depth 1 https://github.com/openssl/openssl
diff --git a/projects/bignum-fuzzer/build.sh b/projects/bignum-fuzzer/build.sh
index 07985058e..da26e57cb 100755
--- a/projects/bignum-fuzzer/build.sh
+++ b/projects/bignum-fuzzer/build.sh
@@ -13,6 +13,11 @@ export PATH=`realpath $SRC/go/bin`:$PATH
 curl https://sh.rustup.rs -sSf | sh -s -- -y
 source $HOME/.cargo/env
 
+# Build libmpdec
+tar zxf mpdecimal-2.4.2.tar.gz
+cd mpdecimal-2.4.2
+./configure && make -j$(nproc)
+
 cd $SRC/openssl
 if [[ $CFLAGS = *sanitize=memory* ]]
 then
@@ -47,6 +52,10 @@ make
 cd $SRC/bignum-fuzzer/modules/libgmp
 LIBGMP_INCLUDE_PATH=$SRC/libgmp LIBGMP_A_PATH=$SRC/libgmp/.libs/libgmp.a make
 
+# Build libmpdec module
+cd $SRC/bignum-fuzzer/modules/libmpdec
+LIBMPDEC_A_PATH=$SRC/mpdecimal-2.4.2/libmpdec/libmpdec.a LIBMPDEC_INCLUDE_PATH=$SRC/mpdecimal-2.4.2/libmpdec make
+
 BASE_CXXFLAGS=$CXXFLAGS
 
 # Build OpenSSL/Go fuzzer
@@ -118,9 +127,20 @@ LIBFUZZER_LINK="-lFuzzingEngine" make
 # Copy BoringSSL/mbedtls fuzzer to the designated location
 cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1
 
+# Build BoringSSL/libmpdec fuzzer
+cd $SRC/bignum-fuzzer
+make clean
+./config-modules.sh boringssl libmpdec
+CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=100 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
+LIBFUZZER_LINK="-lFuzzingEngine" make
+
+# Copy BoringSSL/libmpdec fuzzer to the designated location
+cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_boringssl_libmpdec_num_len_100_all_operations_num_loops_1
+
 # Copy seed corpora to the designated location
 cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_go_no_negative_num_len_1200_all_operations_seed_corpus.zip $OUT
 cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_rust_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
 cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_cpp_boost_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
 cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_libgmp_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
 cp $SRC/bignum-fuzzer/corpora/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1_seed_corpus.zip $OUT
+cp $SRC/bignum-fuzzer/corpora/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1_seed_corpus.zip $OUT/fuzzer_boringssl_libmpdec_num_len_100_all_operations_num_loops_1_seed_corpus.zip
diff --git a/projects/bignum-fuzzer/project.yaml b/projects/bignum-fuzzer/project.yaml
index c22a2584d..7b326bd04 100644
--- a/projects/bignum-fuzzer/project.yaml
+++ b/projects/bignum-fuzzer/project.yaml
@@ -13,5 +13,6 @@ auto_ccs:
     - "davidben@google.com"
     - "svaldez@google.com"
     - "support-mbedtls@arm.com"
+    - "libmpdec@gmail.com"
 fuzzing_engines:
     - libfuzzer