diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b1a1cdc5..877e7614b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -417,7 +417,7 @@ set(GNSSSDR_GNSS_SIM_LOCAL_VERSION "master")
 set(GNSSSDR_GPSTK_LOCAL_VERSION "2.10.6")
 set(GNSSSDR_MATIO_LOCAL_VERSION "1.5.14")
 set(GNSSSDR_PUGIXML_LOCAL_VERSION "1.9")
-set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "3.7.1")
+set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "3.8.0")
 
 if(CMAKE_VERSION VERSION_LESS "3.0.2") # Fix for CentOS 7
     set(GNSSSDR_GFLAGS_LOCAL_VERSION "2.2.1")
diff --git a/README.md b/README.md
index 54d8a3f47..9bba7a0d9 100644
--- a/README.md
+++ b/README.md
@@ -305,9 +305,9 @@ $ sudo apt-get install autoconf automake libtool curl make g++ unzip
 and then:
 
 ~~~~~~
-$ wget https://github.com/protocolbuffers/protobuf/releases/download/v3.7.1/protobuf-cpp-3.7.1.tar.gz
-$ tar xvfz protobuf-cpp-3.7.1.tar.gz
-$ cd protobuf-3.7.1
+$ wget https://github.com/protocolbuffers/protobuf/releases/download/v3.8.0/protobuf-cpp-3.8.0.tar.gz
+$ tar xvfz protobuf-cpp-3.8.0.tar.gz
+$ cd protobuf-3.8.0
 $ ./autogen.sh
 $ ./configure
 $ make