diff --git a/OracleInstantClient/oraclelinux7/19/Dockerfile b/OracleInstantClient/oraclelinux7/19/Dockerfile
index 7bbc70d115..0c1ab503f3 100644
--- a/OracleInstantClient/oraclelinux7/19/Dockerfile
+++ b/OracleInstantClient/oraclelinux7/19/Dockerfile
@@ -30,7 +30,7 @@
 # cwallet.sso.  You can use a container volume to mount the directory containing
 # the files at runtime, for example:
 #
-#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.20/client64/lib/network/admin:Z,ro . . .
+#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.21/client64/lib/network/admin:Z,ro . . .
 #
 # This avoids embedding private information such as wallets in images.  If you
 # do choose to include network configuration files in images, you can use a
@@ -72,7 +72,7 @@
 FROM oraclelinux:7-slim
 
 ARG release=19
-ARG update=20
+ARG update=21
 
 RUN  yum -y install oracle-release-el7 && \
      yum -y install oracle-instantclient${release}.${update}-basic oracle-instantclient${release}.${update}-devel oracle-instantclient${release}.${update}-sqlplus && \
diff --git a/OracleInstantClient/oraclelinux8/19/Dockerfile b/OracleInstantClient/oraclelinux8/19/Dockerfile
index 36638e3b16..120f6e3ca2 100755
--- a/OracleInstantClient/oraclelinux8/19/Dockerfile
+++ b/OracleInstantClient/oraclelinux8/19/Dockerfile
@@ -30,7 +30,7 @@
 # cwallet.sso.  You can use a container volume to mount the directory containing
 # the files at runtime, for example:
 #
-#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.20/client64/lib/network/admin:Z,ro . . .
+#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.21/client64/lib/network/admin:Z,ro . . .
 #
 # This avoids embedding private information such as wallets in images.  If you
 # do choose to include network configuration files in images, you can use a
@@ -72,7 +72,7 @@
 FROM oraclelinux:8
 
 ARG release=19
-ARG update=20
+ARG update=21
 
 RUN  dnf -y install oracle-release-el8 && \
      dnf -y install oracle-instantclient${release}.${update}-basic oracle-instantclient${release}.${update}-devel oracle-instantclient${release}.${update}-sqlplus && \