diff --git a/stubby/Dockerfile b/stubby/Dockerfile
index c3ecdb3..71d3cf5 100644
--- a/stubby/Dockerfile
+++ b/stubby/Dockerfile
@@ -1,7 +1,7 @@
 FROM debian:buster as openssl
 
-ENV VERSION_OPENSSL=openssl-1.1.1i \
-    SHA256_OPENSSL=e8be6a35fe41d10603c3cc635e93289ed00bf34b79671a3a4de64fcee00d5242 \
+ENV VERSION_OPENSSL=openssl-1.1.1k \
+    SHA256_OPENSSL=892a0875b9872acd04a9fde79b1f943075d5ea162415de3047c327df33fbaee5 \
     SOURCE_OPENSSL=https://www.openssl.org/source/ \
     OPGP_OPENSSL=8657ABB260F056B1E5190839D9C4D26D0E604491
 
diff --git a/unbound/Dockerfile b/unbound/Dockerfile
index 35643e4..340c5bb 100644
--- a/unbound/Dockerfile
+++ b/unbound/Dockerfile
@@ -1,8 +1,8 @@
 FROM debian:buster as openssl
 LABEL maintainer="Matthew Vance"
 
-ENV VERSION_OPENSSL=openssl-1.1.1i \
-    SHA256_OPENSSL=e8be6a35fe41d10603c3cc635e93289ed00bf34b79671a3a4de64fcee00d5242 \
+ENV VERSION_OPENSSL=openssl-1.1.1k \
+    SHA256_OPENSSL=892a0875b9872acd04a9fde79b1f943075d5ea162415de3047c327df33fbaee5 \
     SOURCE_OPENSSL=https://www.openssl.org/source/ \
     OPGP_OPENSSL=8657ABB260F056B1E5190839D9C4D26D0E604491
 
@@ -17,8 +17,7 @@ RUN set -e -x && \
     curl -L $SOURCE_OPENSSL$VERSION_OPENSSL.tar.gz.asc -o openssl.tar.gz.asc && \
     GNUPGHOME="$(mktemp -d)" && \
     export GNUPGHOME && \
-    ( gpg --no-tty --keyserver ipv4.pool.sks-keyservers.net --recv-keys "$OPGP_OPENSSL" \
-    || gpg --no-tty --keyserver ha.pool.sks-keyservers.net --recv-keys "$OPGP_OPENSSL" ) && \
+    gpg --no-tty --keyserver keys.openpgp.org --recv-keys "$OPGP_OPENSSL" && \
     gpg --batch --verify openssl.tar.gz.asc openssl.tar.gz && \
     tar xzf openssl.tar.gz && \
     cd $VERSION_OPENSSL && \
@@ -96,7 +95,7 @@ FROM debian:buster
 LABEL maintainer="Matthew Vance"
 
 ENV NAME=unbound \
-    VERSION=1.1 \
+    VERSION=1.3 \
     SUMMARY="${NAME} is a validating, recursive, and caching DNS resolver." \
     DESCRIPTION="${NAME} is a validating, recursive, and caching DNS resolver."