diff --git a/OracleInstantClient/oraclelinux8/19/Dockerfile b/OracleInstantClient/oraclelinux8/19/Dockerfile
index 1fc01f5082..702853139e 100755
--- a/OracleInstantClient/oraclelinux8/19/Dockerfile
+++ b/OracleInstantClient/oraclelinux8/19/Dockerfile
@@ -33,7 +33,7 @@
 # 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/19.26/client64/lib/network/admin:Z,ro . . .
+#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.28/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
@@ -75,7 +75,7 @@
 FROM oraclelinux:8
 
 ARG release=19
-ARG update=26
+ARG update=28
 
 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 && \
diff --git a/OracleInstantClient/oraclelinux9/19/Dockerfile b/OracleInstantClient/oraclelinux9/19/Dockerfile
index 1d7acec168..d1336ee8dd 100755
--- a/OracleInstantClient/oraclelinux9/19/Dockerfile
+++ b/OracleInstantClient/oraclelinux9/19/Dockerfile
@@ -33,7 +33,7 @@
 # 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/19.26/client64/lib/network/admin:Z,ro . . .
+#   podman run -v /my/host/wallet_dir:/usr/lib/oracle/19.28/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
@@ -75,7 +75,7 @@
 FROM oraclelinux:9
 
 ARG release=19
-ARG update=26
+ARG update=28
 
 RUN  dnf -y install oracle-instantclient-release-el9 && \
      dnf -y install oracle-instantclient${release}.${update}-basic oracle-instantclient${release}.${update}-devel oracle-instantclient${release}.${update}-sqlplus && \