diff --git a/bitnami/dotnet/3.1/debian-10/Dockerfile b/bitnami/dotnet/3.1/debian-10/Dockerfile
index 33a160b18e92..444bea5d6bbe 100644
--- a/bitnami/dotnet/3.1/debian-10/Dockerfile
+++ b/bitnami/dotnet/3.1/debian-10/Dockerfile
@@ -20,7 +20,7 @@ RUN sed -i 's/^PASS_MAX_DAYS.*/PASS_MAX_DAYS    90/' /etc/login.defs && \
 COPY rootfs /
 RUN /opt/bitnami/scripts/dotnet/postunpack.sh
 ENV BITNAMI_APP_NAME="dotnet" \
-    BITNAMI_IMAGE_VERSION="3.1.9-debian-10-r120" \
+    BITNAMI_IMAGE_VERSION="3.1.9-debian-10-r121" \
     DOTNET_CLI_HOME="/app" \
     DOTNET_ROOT="/opt/bitnami/dotnet/bin" \
     PATH="/opt/bitnami/dotnet/bin:$PATH"
diff --git a/bitnami/dotnet/README.md b/bitnami/dotnet/README.md
index 4185fa942fe8..2b096a44ce85 100644
--- a/bitnami/dotnet/README.md
+++ b/bitnami/dotnet/README.md
@@ -34,7 +34,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`5`, `5-debian-10`, `5.0.3`, `5.0.3-debian-10-r8` (5/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-dotnet/blob/5.0.3-debian-10-r8/5/debian-10/Dockerfile)
-* [`3.1`, `3.1-debian-10`, `3.1.9`, `3.1.9-debian-10-r120`, `latest` (3.1/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-dotnet/blob/3.1.9-debian-10-r120/3.1/debian-10/Dockerfile)
+* [`3.1`, `3.1-debian-10`, `3.1.9`, `3.1.9-debian-10-r121`, `latest` (3.1/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-dotnet/blob/3.1.9-debian-10-r121/3.1/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/dotnet GitHub repo](https://github.com/bitnami/bitnami-docker-dotnet).