diff --git a/Jenkinsfile b/Jenkinsfile
index c9fff991..6c2f2c8f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -10,7 +10,7 @@ pipeline {
     // https://jenkins.io/doc/book/pipeline/syntax/
     agent {
         docker {
-            image "pavics/workflow-tests:220121"
+            image "pavics/workflow-tests:220401"
             label 'linux && docker'
         }
     }
diff --git a/binder/Dockerfile b/binder/Dockerfile
index 37b908e7..c7cc9ea8 100644
--- a/binder/Dockerfile
+++ b/binder/Dockerfile
@@ -1,4 +1,4 @@
-FROM pavics/workflow-tests:220121
+FROM pavics/workflow-tests:220401
 
 USER root
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 903082e7..6c19bf04 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -93,7 +93,8 @@ RUN wget https://raw.githubusercontent.com/jupyter/docker-stacks/$DOCKER_STACKS_
     wget https://raw.githubusercontent.com/jupyter/docker-stacks/$DOCKER_STACKS_COMMIT/base-notebook/jupyter_notebook_config.py --output-document /etc/jupyter/jupyter_notebook_config.py && \
     chmod a+rx /usr/local/bin/start.sh /usr/local/bin/start-singleuser.sh /usr/local/bin/start-notebook.sh /usr/local/bin/fix-permissions && \
     chmod a+r /etc/jupyter/jupyter_notebook_config.py && \
-    mkdir /notebook_dir && chown jenkins /notebook_dir
+    mkdir /notebook_dir && chown jenkins /notebook_dir && \
+    chmod a+rwX -R /opt/conda/envs/birdy/fonts
 
 # problem running start-notebook.sh when being root
 # the jupyter/base-notebook image also do not default to root user so we do the same here
diff --git a/docker/Dockerfile.testing b/docker/Dockerfile.testing
index dab68d74..ff126fc7 100644
--- a/docker/Dockerfile.testing
+++ b/docker/Dockerfile.testing
@@ -1,13 +1,17 @@
 # For testing quickly without having to do a full rebuild.
 
-FROM pavics/workflow-tests:211221
+FROM pavics/workflow-tests:220201
 
 USER root
 
 # Use 'update' for existing and 'install' for new package.
 # Keep same channel ordering to not revert anything.
+# Pin dask and distributed for slow PAVICStutorial_ClimateDataAnalysis-3Climate-Indicators.ipynb.
+# Pin cf_xarray for slow WPS_example.ipynb.
 RUN umask 0000 \
-    && mamba install -c conda-forge -c cdat -c bokeh -c plotly -c defaults -n birdy "shapely<=1.7.1" "bokeh<=2.3.3"
+    && conda install -c conda-forge mamba -n base \
+    && mamba install -c conda-forge -c cdat -c bokeh -c plotly -c defaults -n birdy "dask<=2022.1.0" "distributed<=2022.1.0" "cf_xarray<=0.6.3" \
+    && conda remove mamba -n base
 #    && pip uninstall -y ravenpy \
 #    && mamba install -c conda-forge -c cdat -c bokeh -c plotly -c defaults -n birdy ravenpy aiohttp
 
diff --git a/docker/environment.yml b/docker/environment.yml
index 9ab608dc..62a156c7 100644
--- a/docker/environment.yml
+++ b/docker/environment.yml
@@ -21,6 +21,15 @@ dependencies:
   - xclim >= 0.32.1
   - ravenpy >= 0.7.8
 
+  # Pin dask and distributed for slow PAVICStutorial_ClimateDataAnalysis-3Climate-Indicators.ipynb.
+  # Same as in commit https://github.com/bird-house/finch/pull/226/commits/7bf4a7e1bcb12bc88d15bdcbbd484e81106be67c
+  # See issue https://github.com/Ouranosinc/PAVICS-e2e-workflow-tests/issues/100
+  - dask <= 2022.1.0
+  - distributed <= 2022.1.0
+
+  # Pin cf_xarray for slow WPS_example.ipynb.
+  - cf_xarray<=0.6.3
+
   - matplotlib
     # - xarray  # from xclim and ravenpy
     # - numpy  # from xclim and ravenpy
@@ -88,6 +97,7 @@ dependencies:
   - s3fs
     # - shapely  # from ravenpy
   # PIN shapely due to notebook failure
+  # See issue https://github.com/Ouranosinc/PAVICS-e2e-workflow-tests/issues/99
   # PAVICStutorial_ClimateDataAnalysis-5Visualization.ipynb:
   #   /opt/conda/envs/birdy/lib/python3.7/site-packages/shapely/geometry/base.py in array_interface_base(self)
   #       324             "removed in Shapely 2.0.",
@@ -173,6 +183,8 @@ dependencies:
   - scp
   - selenium
   - geckodriver
+  - xlrd
+  - pre-commit
   # for pip packages
   - pip
   - pip:
diff --git a/launchcontainer b/launchcontainer
index e4f0a959..0b1a1338 100755
--- a/launchcontainer
+++ b/launchcontainer
@@ -1,7 +1,7 @@
 #!/bin/sh -x
 
 if [ -z "$DOCKER_IMAGE" ]; then
-    DOCKER_IMAGE="pavics/workflow-tests:220121"
+    DOCKER_IMAGE="pavics/workflow-tests:220401"
 fi
 
 if [ -z "$CONTAINER_NAME" ]; then
diff --git a/launchnotebook b/launchnotebook
index a6a8c52f..b6e60684 100755
--- a/launchnotebook
+++ b/launchnotebook
@@ -7,7 +7,7 @@ if [ -z "$PORT" ]; then
 fi
 
 if [ -z "$DOCKER_IMAGE" ]; then
-    DOCKER_IMAGE="pavics/workflow-tests:220121"
+    DOCKER_IMAGE="pavics/workflow-tests:220401"
 fi
 
 if [ -z "$CONTAINER_NAME" ]; then