diff --git a/3.10/Dockerfile b/3.10/Dockerfile
index 462dbaea..e70f540c 100644
--- a/3.10/Dockerfile
+++ b/3.10/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.10.10-slim-bullseye@sha256:68b5a9d037476051abdf6b00fd6a9a978455a33d5d32ce79b8d183b7be06b3a5
 
 # renovate: datasource=pypi depName=poetry versioning=semver
-ENV POETRY_VERSION 1.3.2
+ENV POETRY_VERSION 1.4.0
 
 RUN set -ex; pip install --no-cache-dir poetry==$POETRY_VERSION;
 
diff --git a/3.11/Dockerfile b/3.11/Dockerfile
index bd16b9c5..05135e4c 100644
--- a/3.11/Dockerfile
+++ b/3.11/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.11.2-slim-bullseye@sha256:66e41d125c90d679ad69b264ac7b78a3bd27e7510b63ba5987ad42678bbefc32
 
 # renovate: datasource=pypi depName=poetry versioning=semver
-ENV POETRY_VERSION 1.3.2
+ENV POETRY_VERSION 1.4.0
 
 RUN set -ex; pip install --no-cache-dir poetry==$POETRY_VERSION;
 
diff --git a/3.7/Dockerfile b/3.7/Dockerfile
index 44db8b5b..fea7ce51 100644
--- a/3.7/Dockerfile
+++ b/3.7/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.7.16-slim-bullseye@sha256:f3d37c781ed8abe3058aa1325fa9447567f00cf1bcfea515bd39cdbcf1723265
 
 # renovate: datasource=pypi depName=poetry versioning=semver
-ENV POETRY_VERSION 1.3.2
+ENV POETRY_VERSION 1.4.0
 
 RUN set -ex; pip install --no-cache-dir poetry==$POETRY_VERSION;
 
diff --git a/3.8/Dockerfile b/3.8/Dockerfile
index 96c9ae3d..7978e4bd 100644
--- a/3.8/Dockerfile
+++ b/3.8/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.8.16-slim-bullseye@sha256:e8723a05d35fec5013bb3e2bbc8fd83a0a7608796c79da4d4bb171ff5db28570
 
 # renovate: datasource=pypi depName=poetry versioning=semver
-ENV POETRY_VERSION 1.3.2
+ENV POETRY_VERSION 1.4.0
 
 RUN set -ex; pip install --no-cache-dir poetry==$POETRY_VERSION;
 
diff --git a/3.9/Dockerfile b/3.9/Dockerfile
index e4d4f6c7..37062710 100644
--- a/3.9/Dockerfile
+++ b/3.9/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.9.16-slim-bullseye@sha256:59e17ec5ab7d496b17a6b1c39152f8ea26538a673a70a60755e99a1bf3dc6b2b
 
 # renovate: datasource=pypi depName=poetry versioning=semver
-ENV POETRY_VERSION 1.3.2
+ENV POETRY_VERSION 1.4.0
 
 RUN set -ex; pip install --no-cache-dir poetry==$POETRY_VERSION;