diff --git a/tests/Dockerfile.adsimdetector b/tests/Dockerfile.adsimdetector
index 4a8db72..dd4dc93 100644
--- a/tests/Dockerfile.adsimdetector
+++ b/tests/Dockerfile.adsimdetector
@@ -1,13 +1,15 @@
 ##### build stage ##############################################################
 
 ARG TARGET_ARCHITECTURE
-ARG BASE=7.0.7+ec1
+ARG BASE
 ARG REGISTRY=ghcr.io/epics-containers
 
 FROM  ${REGISTRY}/epics-base-${TARGET_ARCHITECTURE}-developer:${BASE} AS developer
 
+RUN pip install --upgrade ibek
+
 # In a devcontainer this folder is mounted on the host's clone of ioc-adsimdetector
-WORKDIR /workspaces/ioc-adsimdetector/ibek-support
+WORKDIR /epics/ioc-adsimdetector/ibek-support
 
 # copy the global ibek files
 COPY ibek-support/_global/ _global
@@ -31,7 +33,6 @@ COPY ibek-support/ADSimDetector/ ADSimDetector/
 RUN ADSimDetector/install.sh R2-10
 
 # Make the IOC
-RUN ibek ioc generate-makefile
 RUN ibek ioc compile
 
 ##### runtime preparation stage ################################################
diff --git a/tests/Dockerfile.asyn b/tests/Dockerfile.asyn
index 6582b71..88a458e 100644
--- a/tests/Dockerfile.asyn
+++ b/tests/Dockerfile.asyn
@@ -6,8 +6,10 @@ ARG TARGET_ARCHITECTURE
 
 FROM  ${REGISTRY}/epics-base-${TARGET_ARCHITECTURE}-developer:${BASE} AS developer
 
+RUN pip install --upgrade ibek
+
 # In a devcontainer this folder is mounted on the host's clone of ioc-adsimdetector
-WORKDIR /workspaces/ioc-adsimdetector/ibek-support
+WORKDIR /epics/ioc-adsimdetector/ibek-support
 
 # copy the global ibek files
 COPY ibek-support/_global/ _global
@@ -16,7 +18,6 @@ COPY ibek-support/asyn/ asyn/
 RUN asyn/install.sh R4-42
 
 # Make the IOC
-RUN ibek ioc generate-makefile
 RUN ibek ioc compile
 
 ##### runtime preparation stage ################################################
diff --git a/tests/Dockerfile.busy b/tests/Dockerfile.busy
index 4b53d5e..71b2393 100644
--- a/tests/Dockerfile.busy
+++ b/tests/Dockerfile.busy
@@ -6,8 +6,10 @@ ARG TARGET_ARCHITECTURE
 
 FROM  ${REGISTRY}/epics-base-${TARGET_ARCHITECTURE}-developer:${BASE} AS developer
 
+RUN pip install --upgrade ibek
+
 # In a devcontainer this folder is mounted on the host's clone of ioc-adsimdetector
-WORKDIR /workspaces/ioc-adsimdetector/ibek-support
+WORKDIR /epics/ioc-adsimdetector/ibek-support
 
 # copy the global ibek files
 COPY ibek-support/_global/ _global
@@ -22,7 +24,6 @@ COPY ibek-support/busy/ busy/
 RUN busy/install.sh R1-7-3
 
 # Make the IOC
-RUN ibek ioc generate-makefile
 RUN ibek ioc compile
 
 ##### runtime preparation stage ################################################
diff --git a/tests/ioc.yaml b/tests/ioc.yaml
index 0434b02..ac94b68 100644
--- a/tests/ioc.yaml
+++ b/tests/ioc.yaml
@@ -1,4 +1,4 @@
-# yaml-language-server: $schema=https://github.com/epics-containers/ioc-adaravis/releases/download/23.9.1/adaravis.ibek.ioc.schema.json
+# yaml-language-server: $schema=https://github.com/epics-containers/ioc-adaravis/releases/download/23.9.4/ibek.ioc.schema.json
 
 ioc_name: bl45p-ea-ioc-01
 description: Sample and overview cameras IOC for BL45P