diff --git a/Dockerfile.fedora b/Dockerfile.fedora
index 9f3b601..ed9f42d 100644
--- a/Dockerfile.fedora
+++ b/Dockerfile.fedora
@@ -1,7 +1,7 @@
 # Mostly intended for debugging full provisioning runs.
 from fedora:39
 
-run dnf install -y gnupg2 golang systemd
+run dnf update -y && dnf install -y gnupg2 golang systemd
 
 copy . /root/fup/
 workdir /root/fup
diff --git a/terraform/Dockerfile.fedora-ci b/terraform/Dockerfile.fedora-ci
index 1f91683..901c8a1 100644
--- a/terraform/Dockerfile.fedora-ci
+++ b/terraform/Dockerfile.fedora-ci
@@ -1,3 +1,3 @@
 from fedora:39
 
-run dnf update -y && dnf install -y ca-certificates curl gnupg2 golang
+run dnf update -y && dnf install -y ca-certificates gnupg2 golang
diff --git a/terraform/Dockerfile.ubuntu-ci b/terraform/Dockerfile.ubuntu-ci
index 911d674..94667fa 100644
--- a/terraform/Dockerfile.ubuntu-ci
+++ b/terraform/Dockerfile.ubuntu-ci
@@ -1,3 +1,3 @@
 from ubuntu:mantic
 
-run apt update -y && apt install -y ca-certificates curl gnupg2 golang
+run apt update -y && apt install -y ca-certificates gnupg2 golang
diff --git a/tests/image/Dockerfile.ubuntu b/tests/image/Dockerfile.ubuntu
index f00b1a0..1b99b29 100644
--- a/tests/image/Dockerfile.ubuntu
+++ b/tests/image/Dockerfile.ubuntu
@@ -1,5 +1,5 @@
 from ubuntu:mantic
 
-run apt update -y && apt install -y curl gnupg2 systemd
+run apt update -y && apt install -y gnupg2 systemd
 
-cmd [ "/bin/systemd" ]
+cmd ["/bin/systemd"]