diff --git a/bcol-api/Dockerfile b/bcol-api/Dockerfile
index 5f9cd078a..d48b75ab0 100644
--- a/bcol-api/Dockerfile
+++ b/bcol-api/Dockerfile
@@ -77,6 +77,7 @@ COPY --chown=web:web ./README.md /code
 # Project initialization:
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
+  && poetry config installer.max-workers 1 \
   && poetry version \
   # Install deps:
   && poetry run pip install -U pip \
@@ -84,9 +85,6 @@ RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
 
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
 # Running as non-root user:
 USER web
 
diff --git a/bcol-api/Makefile b/bcol-api/Makefile
index 0d21fddd1..4129c5077 100755
--- a/bcol-api/Makefile
+++ b/bcol-api/Makefile
@@ -39,7 +39,7 @@ clean-test: ## clean test files
 install: clean
 	unset HOME ## unset HOME because it's in the DEV .env file, will cause permissions issues
 	pip install poetry ;\
-	python -c "import site; import urllib.request; url = 'https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py'; file_name = site.getsitepackages()[0] + '/poetry/installation/executor.py'; print('Poetry 1.8.3 fix - Copying ' + url + ' to ' + file_name); urllib.request.urlretrieve(url, file_name)"
+	poetry config installer.max-workers 1
 	poetry install
 
 #################################################################################
diff --git a/jobs/ftp-poller/Dockerfile b/jobs/ftp-poller/Dockerfile
index 2d881b0f4..578b8af76 100644
--- a/jobs/ftp-poller/Dockerfile
+++ b/jobs/ftp-poller/Dockerfile
@@ -85,14 +85,12 @@ COPY --chown=web:web ./poetry.lock ./pyproject.toml .
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
   && poetry version \
+  && poetry config installer.max-workers 1 \
   && poetry run pip install -U pip \
   && poetry install \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
 
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
 COPY . .
 
 
diff --git a/jobs/ftp-poller/Makefile b/jobs/ftp-poller/Makefile
index 14da5548f..e6c179c09 100644
--- a/jobs/ftp-poller/Makefile
+++ b/jobs/ftp-poller/Makefile
@@ -39,7 +39,7 @@ clean-test: ## clean test files
 install: clean
 	unset HOME ## unset HOME because it's in the DEV .env file, will cause permissions issues
 	pip install poetry ;\
-	python -c "import site; import urllib.request; url = 'https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py'; file_name = site.getsitepackages()[0] + '/poetry/installation/executor.py'; print('Poetry 1.8.3 fix - Copying ' + url + ' to ' + file_name); urllib.request.urlretrieve(url, file_name)"
+	poetry config installer.max-workers 1
 	poetry install
 
 #################################################################################
diff --git a/jobs/payment-jobs/Dockerfile b/jobs/payment-jobs/Dockerfile
index 728a1de3e..a86bf3edf 100644
--- a/jobs/payment-jobs/Dockerfile
+++ b/jobs/payment-jobs/Dockerfile
@@ -98,14 +98,12 @@ COPY --chown=web:web ./poetry.lock ./pyproject.toml .
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
   && poetry version \
+  && poetry config installer.max-workers 1 \
   && poetry run pip install -U pip \
   && poetry install \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
 
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
 COPY . .
 # Set ownership and permissions
 # Set scripts as executable (make files and python files do not have to be marked)
diff --git a/jobs/payment-jobs/Makefile b/jobs/payment-jobs/Makefile
index 1ddd16dba..2c10cf1c8 100644
--- a/jobs/payment-jobs/Makefile
+++ b/jobs/payment-jobs/Makefile
@@ -38,7 +38,7 @@ clean-test: ## clean test files
 
 install: clean
 	pip install poetry ;\
-	python -c "import site; import urllib.request; url = 'https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py'; file_name = site.getsitepackages()[0] + '/poetry/installation/executor.py'; print('Poetry 1.8.3 fix - Copying ' + url + ' to ' + file_name); urllib.request.urlretrieve(url, file_name)"
+	poetry config installer.max-workers 1
 	poetry install
 
 #################################################################################
diff --git a/pay-admin/Dockerfile b/pay-admin/Dockerfile
index 189131bb4..e0e950ee9 100644
--- a/pay-admin/Dockerfile
+++ b/pay-admin/Dockerfile
@@ -71,15 +71,13 @@ COPY --chown=web:web ./README.md /code
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
   && poetry version \
+  && poetry config installer.max-workers 1 \
   # Install deps:
   && poetry run pip install -U pip \
   && poetry install \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
 
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
 # Running as non-root user:
 USER web
 
diff --git a/pay-admin/Makefile b/pay-admin/Makefile
index 7548c7e4b..d2ae55707 100755
--- a/pay-admin/Makefile
+++ b/pay-admin/Makefile
@@ -39,6 +39,7 @@ clean-test: ## clean test files
 install: clean
 	unset HOME ## unset HOME because it's in the DEV .env file, will cause permissions issues
 	pip install poetry ;\
+	poetry config installer.max-workers 1
 	poetry install
 
 #################################################################################
diff --git a/pay-api/Dockerfile b/pay-api/Dockerfile
index 2a2ab05b7..5bb31156d 100644
--- a/pay-api/Dockerfile
+++ b/pay-api/Dockerfile
@@ -72,15 +72,13 @@ COPY --chown=web:web ./README.md /code
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
   && poetry version \
+  && poetry config installer.max-workers 1 \
   # Install deps:
   && poetry run pip install -U pip \
   && poetry install \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
-
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
+  
 # Running as non-root user:
 USER web
 
diff --git a/pay-api/Makefile b/pay-api/Makefile
index 04758bacb..dbda2894c 100755
--- a/pay-api/Makefile
+++ b/pay-api/Makefile
@@ -38,7 +38,7 @@ clean-test: ## clean test files
 
 install: clean
 	pip install poetry ;\
-	python -c "import site; import urllib.request; url = 'https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py'; file_name = site.getsitepackages()[0] + '/poetry/installation/executor.py'; print('Poetry 1.8.3 fix - Copying ' + url + ' to ' + file_name); urllib.request.urlretrieve(url, file_name)"
+	poetry config installer.max-workers 1
 	poetry install
 
 #################################################################################
diff --git a/pay-queue/Dockerfile b/pay-queue/Dockerfile
index 38ba3ffc9..9647215c1 100644
--- a/pay-queue/Dockerfile
+++ b/pay-queue/Dockerfile
@@ -71,15 +71,13 @@ COPY --chown=web:web ./README.md /code
 RUN --mount=type=cache,target="$POETRY_CACHE_DIR" \
   echo "$APP_ENV" \
   && poetry version \
+  && poetry config installer.max-workers 1 \
   # Install deps:
   && poetry run pip install -U pip \
   && poetry install \
     $(if [ -z ${APP_ENV+x} ] | [ "$APP_ENV" = 'production' ]; then echo '--only main'; fi) \
     --no-interaction --no-ansi
 
-# Concurrent fix until poetry 1.8.3+ is released
-RUN curl https://gist.githubusercontent.com/seeker25/0dd67670f738f1dc2bc24a885ab78914/raw/a858698a81d7b76efe6e1ec3ef9850ae3667f923/executor.py -o /usr/local/venv/lib/python3.12/site-packages/poetry/installation/executor.py
-
 # Running as non-root user:
 USER web