diff --git a/.env.docker-compose b/.env.docker-compose
index 2eb57bb9d..81df7f126 100644
--- a/.env.docker-compose
+++ b/.env.docker-compose
@@ -24,7 +24,7 @@ CARDANO_NODE_HOST=cardano-node
 # Service name in docker-compose or local cardano node
 CARDANO_NODE_PORT=3001
 # Uncomment if you are using local cardano node
-CARDANO_NODE_VERSION=9.1.0
+CARDANO_NODE_VERSION=9.1.1
 CARDANO_NODE_SUBMIT_HOST=cardano-submit-api
 NODE_SUBMIT_API_PORT=8090
 CARDANO_NODE_DIR=/node
diff --git a/.env.h2 b/.env.h2
index c14819ddd..35706ff2c 100644
--- a/.env.h2
+++ b/.env.h2
@@ -19,7 +19,7 @@ CARDANO_NODE_HOST=localhost
 # Service name in docker-compose or local cardano node
 CARDANO_NODE_PORT=3001
 # Uncomment if you are using local cardano node
-CARDANO_NODE_VERSION=9.1.0
+CARDANO_NODE_VERSION=9.1.1
 CARDANO_NODE_SUBMIT_HOST=localhost
 NODE_SUBMIT_API_PORT=8090
 
diff --git a/docker/.env.dockerfile b/docker/.env.dockerfile
index 09f2f191a..99d89d2f4 100644
--- a/docker/.env.dockerfile
+++ b/docker/.env.dockerfile
@@ -27,7 +27,7 @@ DB_PORT=5432
 ## Cardano node variables
 CARDANO_NODE_HOST=localhost
 CARDANO_NODE_PORT=3001
-CARDANO_NODE_VERSION=9.1.0
+CARDANO_NODE_VERSION=9.1.1
 CARDANO_NODE_SUBMIT_HOST=localhost
 NODE_SUBMIT_API_PORT=8090
 CARDANO_NODE_SOCKET_PATH=/node/node.socket
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3ccfc4486..80c41f8ae 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -48,7 +48,7 @@ RUN git clone https://github.com/input-output-hk/mithril.git \
 
 
 # Cardano node version
-ARG CARDANO_NODE_VERSION=9.1.0
+ARG CARDANO_NODE_VERSION=9.1.1
 
 # Install sodium
 RUN export IOHKNIX_VERSION=$(curl https://raw.githubusercontent.com/IntersectMBO/cardano-node/${CARDANO_NODE_VERSION}/flake.lock | jq -r '.nodes.iohkNix.locked.rev') \