diff --git a/.docker/docker-qgis-build.sh b/.docker/docker-qgis-build.sh
index 7042d9c0f5ae..ec4d47c50448 100755
--- a/.docker/docker-qgis-build.sh
+++ b/.docker/docker-qgis-build.sh
@@ -115,8 +115,8 @@ cmake \
  -DWITH_QTWEBKIT=${WITH_QT5} \
  -DWITH_QTWEBENGINE=${WITH_QTWEBENGINE} \
  -DWITH_PDF4QT=${WITH_PDF4QT} \
- -DORACLE_INCLUDEDIR=/instantclient_19_9/sdk/include/ \
- -DORACLE_LIBDIR=/instantclient_19_9/ \
+ -DORACLE_INCLUDEDIR=/instantclient_21_16/sdk/include/ \
+ -DORACLE_LIBDIR=/instantclient_21_16/ \
  -DDISABLE_DEPRECATED=ON \
  -DPYTHON_TEST_WRAPPER="timeout -sSIGSEGV 55s" \
  -DCXX_EXTRA_FLAGS="${CLANG_WARNINGS}" \
diff --git a/.docker/qgis3-qt5-build-deps.dockerfile b/.docker/qgis3-qt5-build-deps.dockerfile
index 61dcba09ffc5..0249746f3bca 100644
--- a/.docker/qgis3-qt5-build-deps.dockerfile
+++ b/.docker/qgis3-qt5-build-deps.dockerfile
@@ -120,16 +120,16 @@ RUN apt-get install -y nodejs
 RUN corepack enable
 
 # Oracle : client side
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-basic-linux.x64-19.9.0.0.0dbru.zip > instantclient-basic-linux.x64-19.9.0.0.0dbru.zip
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip > instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip > instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-basic-linux.x64-21.16.0.0.0dbru.zip > instantclient-basic-linux.x64-21.16.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip > instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip > instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip
 
-RUN unzip instantclient-basic-linux.x64-19.9.0.0.0dbru.zip
-RUN unzip instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip
-RUN unzip instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip
+RUN unzip -n instantclient-basic-linux.x64-21.16.0.0.0dbru.zip
+RUN unzip -n instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip
+RUN unzip -n instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip
 
-ENV PATH="/instantclient_19_9:${PATH}"
-ENV LD_LIBRARY_PATH="/instantclient_19_9:${LD_LIBRARY_PATH}"
+ENV PATH="/instantclient_21_16:${PATH}"
+ENV LD_LIBRARY_PATH="/instantclient_21_16:${LD_LIBRARY_PATH}"
 
 # Avoid sqlcmd termination due to locale -- see https://github.com/Microsoft/mssql-docker/issues/163
 RUN echo "nb_NO.UTF-8 UTF-8" > /etc/locale.gen
diff --git a/.docker/qgis3-qt6-build-deps.dockerfile b/.docker/qgis3-qt6-build-deps.dockerfile
index d6f0908df9b0..463bfa234fa8 100644
--- a/.docker/qgis3-qt6-build-deps.dockerfile
+++ b/.docker/qgis3-qt6-build-deps.dockerfile
@@ -92,16 +92,17 @@ RUN dnf -y --refresh install \
 
 
 # Oracle : client side
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-basic-linux.x64-19.9.0.0.0dbru.zip > instantclient-basic-linux.x64-19.9.0.0.0dbru.zip
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip > instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip
-RUN curl https://download.oracle.com/otn_software/linux/instantclient/199000/instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip > instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-basic-linux.x64-21.16.0.0.0dbru.zip > instantclient-basic-linux.x64-21.16.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip > instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip
+RUN curl https://download.oracle.com/otn_software/linux/instantclient/2116000/instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip > instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip
 
-RUN unzip instantclient-basic-linux.x64-19.9.0.0.0dbru.zip
-RUN unzip instantclient-sdk-linux.x64-19.9.0.0.0dbru.zip
-RUN unzip instantclient-sqlplus-linux.x64-19.9.0.0.0dbru.zip
+RUN unzip -n instantclient-basic-linux.x64-21.16.0.0.0dbru.zip
+RUN unzip -n instantclient-sdk-linux.x64-21.16.0.0.0dbru.zip
+RUN unzip -n instantclient-sqlplus-linux.x64-21.16.0.0.0dbru.zip
+
+ENV PATH="/instantclient_21_16:${PATH}"
+ENV LD_LIBRARY_PATH="/instantclient_21_16:${LD_LIBRARY_PATH}"
 
-ENV PATH="/instantclient_19_9:${PATH}"
-ENV LD_LIBRARY_PATH="/instantclient_19_9:${LD_LIBRARY_PATH}"
 ENV LANG=C.UTF-8
 
 FROM binary-for-oracle as binary-only