diff --git a/5.0/bookworm/Dockerfile b/5.0/bookworm/Dockerfile
index 857bf6d..92aeef1 100644
--- a/5.0/bookworm/Dockerfile
+++ b/5.0/bookworm/Dockerfile
@@ -79,6 +79,7 @@ RUN set -eux; \
 		libsqlite3-dev \
 		make \
 		patch \
+		pkgconf \
 		xz-utils \
 	; \
 	rm -rf /var/lib/apt/lists/*; \
diff --git a/5.1/bookworm/Dockerfile b/5.1/bookworm/Dockerfile
index ce3d4b9..6805df6 100644
--- a/5.1/bookworm/Dockerfile
+++ b/5.1/bookworm/Dockerfile
@@ -79,6 +79,7 @@ RUN set -eux; \
 		libsqlite3-dev \
 		make \
 		patch \
+		pkgconf \
 		xz-utils \
 	; \
 	rm -rf /var/lib/apt/lists/*; \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 0adb20d..cf2bd47 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -73,6 +73,7 @@ RUN set -eux; \
 		libsqlite3-dev \
 		make \
 		patch \
+		pkgconf \
 		xz-utils \
 	; \
 	rm -rf /var/lib/apt/lists/*; \