diff --git a/README.md b/README.md
index f14fcba97d9d8b7c3744cf498da6680ec99eaac7..3e6a3befb293a4803e14a20e14c8862ac6d6f06a 100644
--- a/README.md
+++ b/README.md
@@ -147,6 +147,7 @@ git clone https://gitlab.com/postgres-ai/postgres-checkup.git
 #   git clone --branch 1.1 https://gitlab.com/postgres-ai/postgres-checkup.git
 cd postgres-checkup
 ```
+It is important: if you are updating to the new version using `git pull` you need to build pghrep binary module executing follow `cd ./pghrep/ && make all`.
 
 ## Example of Use
 
diff --git a/checkup b/checkup
index 00b5cfbc40821d7b2ce304bab1117b820a8396cb..fd1a436042b809c158fa641747c5f9e529705315 100755
--- a/checkup
+++ b/checkup
@@ -803,12 +803,15 @@ is_large_database() {
 #   (text) stdout/stderr
 #######################################
 build_pghrep() {
+  export PGHREP_BIN="${SCRIPT_DIR}/pghrep/bin/pghrep"
+  if [[ -f "${PGHREP_BIN}" ]]; then
+    return;
+  fi
   dbg "building pghrep..."
   local save_pwd="${PWD}"
   cd "${SCRIPT_DIR}/pghrep"
   make install main >/dev/null
   cd "${save_pwd}"
-  export PGHREP_BIN="${SCRIPT_DIR}/pghrep/bin/pghrep"
   dbg "done building pghrep"
 }