diff --git a/app/pyproject.toml b/app/pyproject.toml
index 83b401ae..a11815b5 100644
--- a/app/pyproject.toml
+++ b/app/pyproject.toml
@@ -2,8 +2,8 @@
 name = "NHSX"
 version = "0.1.0"
 description = "NHSX Wagtail site"
-authors = ["andy@hactar.is"]
-maintainers = ["dragon@dxw.com"]
+authors = ["Andy <andy@hactar.is>"]
+maintainers = ["dragon <dragon@dxw.com>"]
 
 [tool.poetry.dependencies]
 python = "^3.7"
@@ -63,5 +63,5 @@ pytest-sugar = "*"
 
 
 [build-system]
-requires = ["poetry>=0.12"]
+requires = ["poetry=1.2.2"]
 build-backend = "poetry.masonry.api"
diff --git a/docker/web/Dockerfile b/docker/web/Dockerfile
index 3637b55d..e62e05f8 100644
--- a/docker/web/Dockerfile
+++ b/docker/web/Dockerfile
@@ -124,7 +124,7 @@ RUN mv ./node_modules/ /usr/srv/deps
 COPY ./app/pyproject.toml /usr/srv/app/pyproject.toml
 COPY ./app/poetry.lock /usr/srv/app/poetry.lock
 ## self update disabled currently due to causing timeout issues in the deploy
-#RUN $HOME/.local/bin/poetry self update && \
+#RUN $HOME/.local/bin/poetry self update 1.2.2 && \
 RUN $HOME/.local/bin/poetry install
 
 
diff --git a/docker/web/Dockerfile-prod b/docker/web/Dockerfile-prod
index 569ad099..aed02a7d 100644
--- a/docker/web/Dockerfile-prod
+++ b/docker/web/Dockerfile-prod
@@ -120,7 +120,7 @@ RUN mkdir -p /usr/srv/deps
 RUN mv ./node_modules/ /usr/srv/deps
 
 # POETRY (working and installed in django-base)
-RUN $HOME/.local/bin/poetry self update && \
+RUN $HOME/.local/bin/poetry self update 1.2.2 && \
     $HOME/.local/bin/poetry install