diff --git a/clang-format-14.dockerfile b/clang-format-14.dockerfile
index fe7df96..8c797f7 100644
--- a/clang-format-14.dockerfile
+++ b/clang-format-14.dockerfile
@@ -16,7 +16,7 @@ RUN cmake -S llvm-project-14.0.6.src/llvm -B build \
   -DLLVM_ENABLE_PROJECTS='clang' \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DLLVM_TARGETS_TO_BUILD=""
-RUN make -C build install
+RUN make -C build -j2 install
 
 # base final image off ubi8-micro
 FROM docker.io/redhat/ubi8-micro
diff --git a/clang-format-16.dockerfile b/clang-format-16.dockerfile
index c184943..18b2a75 100644
--- a/clang-format-16.dockerfile
+++ b/clang-format-16.dockerfile
@@ -16,7 +16,7 @@ RUN cmake -S llvm-project-16.0.6.src/llvm -B build \
   -DLLVM_ENABLE_PROJECTS='clang' \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DLLVM_TARGETS_TO_BUILD=""
-RUN make -C build install
+RUN make -C build -j2 install
 
 # base final image off ubi8-micro
 FROM docker.io/redhat/ubi8-micro
diff --git a/clang-format-8.dockerfile b/clang-format-8.dockerfile
index 4232c47..d19a2f2 100644
--- a/clang-format-8.dockerfile
+++ b/clang-format-8.dockerfile
@@ -19,7 +19,7 @@ RUN cmake -S llvm-8.0.1.src -B build \
   -DLLVM_ENABLE_PROJECTS='clang' \
   -DCMAKE_BUILD_TYPE=MinSizeRel \
   -DLLVM_TARGETS_TO_BUILD=""
-RUN make -C build install
+RUN make -C build -j2 install
 
 # base final image off ubi8-micro
 FROM docker.io/redhat/ubi8-micro