diff --git a/14-3.13/Dockerfile b/14-3.13/Dockerfile
index 6b90cff..7f57ff3 100644
--- a/14-3.13/Dockerfile
+++ b/14-3.13/Dockerfile
@@ -6,4 +6,5 @@ RUN apk -U upgrade \
     openssh \
     python3 \
     make \
-    g++
+    g++ \
+    pkgconfig
diff --git a/14/Dockerfile b/14/Dockerfile
index cc46f56..fc0d24c 100644
--- a/14/Dockerfile
+++ b/14/Dockerfile
@@ -6,4 +6,5 @@ RUN apk -U upgrade \
     openssh \
     python3 \
     make \
-    g++
\ No newline at end of file
+    g++ \
+    pkgconfig
\ No newline at end of file
diff --git a/16-3.13/Dockerfile b/16-3.13/Dockerfile
index 6c9d1b8..b7f0672 100644
--- a/16-3.13/Dockerfile
+++ b/16-3.13/Dockerfile
@@ -6,4 +6,5 @@ RUN apk -U upgrade \
     openssh \
     python3 \
     make \
-    g++
+    g++ \
+    pkgconfig
diff --git a/16/Dockerfile b/16/Dockerfile
index 7a8a831..748f265 100644
--- a/16/Dockerfile
+++ b/16/Dockerfile
@@ -6,4 +6,5 @@ RUN apk -U upgrade \
     openssh \
     python3 \
     make \
-    g++
+    g++ \
+    pkgconfig