diff --git a/Dockerfile b/Dockerfile
index 484f41c..ee15808 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM nginxproxy/docker-gen:0.9.1 AS docker-gen
 
-FROM alpine:3.16.3
+FROM alpine:3.17.0
 
 ARG GIT_DESCRIBE
 ARG ACMESH_VERSION=2.9.0
diff --git a/test/tests/private_keys/run.sh b/test/tests/private_keys/run.sh
index 5ff2ee1..2bd7b68 100755
--- a/test/tests/private_keys/run.sh
+++ b/test/tests/private_keys/run.sh
@@ -27,9 +27,9 @@ trap cleanup EXIT
 
 declare -A key_types
 key_types=( \
-  ['2048']='RSA Public-Key: (2048 bit)' \
-  ['3072']='RSA Public-Key: (3072 bit)' \
-  ['4096']='RSA Public-Key: (4096 bit)' \
+  ['2048']='Public-Key: (2048 bit)' \
+  ['3072']='Public-Key: (3072 bit)' \
+  ['4096']='Public-Key: (4096 bit)' \
   ['ec-256']='prime256v1' \
   ['ec-384']='secp384r1' \
 )