diff --git a/projects/cryptofuzz/Dockerfile b/projects/cryptofuzz/Dockerfile
index 550c7cea4..94dd75c21 100644
--- a/projects/cryptofuzz/Dockerfile
+++ b/projects/cryptofuzz/Dockerfile
@@ -44,7 +44,7 @@ RUN git clone --depth 1 https://github.com/libtom/libtomcrypt.git
 RUN git clone --depth 1 https://github.com/microsoft/SymCrypt.git
 RUN git clone --depth 1 https://git.lysator.liu.se/nettle/nettle
 RUN hg clone https://gmplib.org/repo/gmp/ libgmp/
-RUN wget https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-2.5.0.tar.gz
+RUN wget https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-2.5.1.tar.gz
 RUN git clone --depth 1 https://github.com/indutny/bn.js.git
 RUN git clone --depth 1 https://github.com/MikeMcl/bignumber.js.git
 RUN git clone --depth 1 https://github.com/guidovranken/libfuzzer-js.git
diff --git a/projects/cryptofuzz/build.sh b/projects/cryptofuzz/build.sh
index b52b70500..433c47a3e 100755
--- a/projects/cryptofuzz/build.sh
+++ b/projects/cryptofuzz/build.sh
@@ -208,8 +208,8 @@ fi
 
 # Compile mpdecimal
 cd $SRC/
-tar zxf mpdecimal-2.5.0.tar.gz
-cd mpdecimal-2.5.0/
+tar zxf mpdecimal-2.5.1.tar.gz
+cd mpdecimal-2.5.1/
 ./configure
 cd libmpdec/
 make libmpdec.a -j$(nproc)