diff --git a/build/amd64-debian-builder.dockerfile b/build/amd64-debian-builder.dockerfile
index 8f4176c..f579585 100644
--- a/build/amd64-debian-builder.dockerfile
+++ b/build/amd64-debian-builder.dockerfile
@@ -27,7 +27,7 @@ RUN set -x \
   && builddir="/tmp/out" \
   && mkdir -p "$builddir" \
   && cd "$builddir" \
-  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERISON" . \
+  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERSION" . \
   && cd "dumb-init-$DUMB_INIT_VERSION" \
   && make "$PARALLELMFLAGS" \
   && chmod +x dumb-init \
diff --git a/build/amd64-ubuntu-builder.dockerfile b/build/amd64-ubuntu-builder.dockerfile
index b624440..184b821 100644
--- a/build/amd64-ubuntu-builder.dockerfile
+++ b/build/amd64-ubuntu-builder.dockerfile
@@ -27,7 +27,7 @@ RUN set -x \
   && builddir="/tmp/out" \
   && mkdir -p "$builddir" \
   && cd "$builddir" \
-  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERISON" . \
+  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERSION" . \
   && cd "dumb-init-$DUMB_INIT_VERSION" \
   && make "$PARALLELMFLAGS" \
   && chmod +x dumb-init \
diff --git a/build/arm32v7-debian-builder.dockerfile b/build/arm32v7-debian-builder.dockerfile
index e328106..5143d93 100644
--- a/build/arm32v7-debian-builder.dockerfile
+++ b/build/arm32v7-debian-builder.dockerfile
@@ -30,7 +30,7 @@ RUN set -x \
   && builddir="/tmp/out" \
   && mkdir -p "$builddir" \
   && cd "$builddir" \
-  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERISON" . \
+  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERSION" . \
   && cd "dumb-init-$DUMB_INIT_VERSION" \
   && make "$PARALLELMFLAGS" \
   && chmod +x dumb-init \
diff --git a/build/arm32v7-ubuntu-builder.dockerfile b/build/arm32v7-ubuntu-builder.dockerfile
index accc383..49c53cd 100644
--- a/build/arm32v7-ubuntu-builder.dockerfile
+++ b/build/arm32v7-ubuntu-builder.dockerfile
@@ -30,7 +30,7 @@ RUN set -x \
   && builddir="/tmp/out" \
   && mkdir -p "$builddir" \
   && cd "$builddir" \
-  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERISON" . \
+  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERSION" . \
   && cd dumb-init-$DUMB_INIT_VERISON \
   && make "$PARALLELMFLAGS" \
   && chmod +x dumb-init \