diff --git a/Dockerfile b/Dockerfile
index d49bbe08..7a229aa7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -136,6 +136,7 @@ RUN \
 RUN \
     git clone https://github.com/libbitcoin/libbitcoin-build.git && \
     cd libbitcoin-build && \
+    git reset --hard 92c215fc1ffa272bab4d485d369d0306db52d69d && \
     ./generate3.sh && \
     cd ../libbitcoin-explorer && \
     ./install.sh && \
diff --git a/Dockerfile.18.04 b/Dockerfile.18.04
index d09e01b2..9531d986 100644
--- a/Dockerfile.18.04
+++ b/Dockerfile.18.04
@@ -136,6 +136,7 @@ RUN \
 RUN \
     git clone https://github.com/libbitcoin/libbitcoin-build.git && \
     cd libbitcoin-build && \
+    git reset --hard 92c215fc1ffa272bab4d485d369d0306db52d69d && \
     ./generate3.sh && \
     cd ../libbitcoin-explorer && \
     ./install.sh && \
diff --git a/README.md b/README.md
index c3533d29..00b2fff3 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ libbitcoin-explorer setup:
 ```
 git clone https://github.com/libbitcoin/libbitcoin-build.git
 cd libbitcoin-build
+git reset --hard 92c215fc1ffa272bab4d485d369d0306db52d69d
 ./generate3.sh
 cd ../libbitcoin-explorer
 sudo ./install.sh