diff --git a/5.0/Dockerfile b/5.0/Dockerfile
index 16541d1..b138bfe 100644
--- a/5.0/Dockerfile
+++ b/5.0/Dockerfile
@@ -91,7 +91,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/5.0/Dockerfile.native b/5.0/Dockerfile.native
index e685313..3b3cd11 100644
--- a/5.0/Dockerfile.native
+++ b/5.0/Dockerfile.native
@@ -93,7 +93,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/5.1/Dockerfile b/5.1/Dockerfile
index 041ae29..9d93c33 100644
--- a/5.1/Dockerfile
+++ b/5.1/Dockerfile
@@ -91,7 +91,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/5.1/Dockerfile.native b/5.1/Dockerfile.native
index 0496734..8f3900c 100644
--- a/5.1/Dockerfile.native
+++ b/5.1/Dockerfile.native
@@ -93,7 +93,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/5.2/Dockerfile b/5.2/Dockerfile
index 4252aa2..8e6c479 100644
--- a/5.2/Dockerfile
+++ b/5.2/Dockerfile
@@ -94,7 +94,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/5.2/Dockerfile.native b/5.2/Dockerfile.native
index 8992c7c..b6f2825 100644
--- a/5.2/Dockerfile.native
+++ b/5.2/Dockerfile.native
@@ -96,7 +96,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/6.0/Dockerfile b/6.0/Dockerfile
index 605264b..340106f 100644
--- a/6.0/Dockerfile
+++ b/6.0/Dockerfile
@@ -94,7 +94,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/6.0/Dockerfile.native b/6.0/Dockerfile.native
index 455f044..8bc26e0 100644
--- a/6.0/Dockerfile.native
+++ b/6.0/Dockerfile.native
@@ -96,7 +96,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \
diff --git a/Dockerfile.template b/Dockerfile.template
index 69369d9..ddf1c08 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -123,7 +123,7 @@ RUN set -eux; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
 	for key in $QEMU_KEYS; do \
-		gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify "$tarball.sig" "$tarball"; \
 	gpgconf --kill all; \