diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dba802c..e15fe50 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -58,7 +58,12 @@ jobs:
         # to see if something hung.
         timeout-minutes: 60
         run: |
-          pytest --durations=0 --durations-min=1.0 --verbosity=1 --cov=qutip_jax --cov-report= --color=yes -W ignore::UserWarning:qutip -W "ignore:Complex dtype:UserWarning"
+          pytest -Werror --durations=0 --durations-min=1.0 --verbosity=1 --color=yes \
+            -W ignore::UserWarning:qutip \
+            -W "ignore:Complex dtype:UserWarning" \
+            -W "ignore:jax.core.pp_eqn_rules is deprecated.:DeprecationWarning" \
+            -W "ignore:unhashable type:FutureWarning" \
+            -W "ignore:In a future release of JAX,:DeprecationWarning"
           # Above flags are:
           #  --durations=0 --durations-min=1.0
           #     at the end, show a list of all the tests that took longer than a
@@ -73,8 +78,16 @@ jobs:
           #  --cov-report=
           #     don't print the coverage report to the terminal---it just adds
           #     cruft, and we're going to upload the .coverage file to Coveralls
+          #  -Werror
+          #     Unless explicitly ignored, warnings are errors.
           #  -W ignore::UserWarning:qutip
           #     Ignore matplotlib missing warnings
+          #  -W "ignore:Complex dtype:UserWarning"
+          #     Ignore diffrax's partial complex support
+          #  -W "ignore:jax.core.pp_eqn_rules is deprecated.:DeprecationWarning"
+          #  -W "ignore:unhashable type:FutureWarning"
+          #  -W "ignore:In a future release of JAX,:DeprecationWarning"
+          #     Diffrax / equinox are have warning with latest jax
           # These flags are added to those in pyproject.toml.
 
       - name: Upload to Coveralls
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index 2ddf191..2d7abf0 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -66,7 +66,12 @@ jobs:
         # to see if something hung.
         timeout-minutes: 60
         run: |
-          pytest --durations=0 --durations-min=1.0 --verbosity=1 --color=yes -W ignore::UserWarning:qutip -W "ignore:Complex dtype:UserWarning"
+          pytest -Werror --durations=0 --durations-min=1.0 --verbosity=1 --color=yes \
+            -W ignore::UserWarning:qutip \
+            -W "ignore:Complex dtype:UserWarning" \
+            -W "ignore:jax.core.pp_eqn_rules is deprecated.:DeprecationWarning" \
+            -W "ignore:unhashable type:FutureWarning" \
+            -W "ignore:In a future release of JAX,:DeprecationWarning"
           # Above flags are:
           #  --durations=0 --durations-min=1.0
           #     at the end, show a list of all the tests that took longer than a
@@ -78,8 +83,16 @@ jobs:
           #     limit coverage reporting to code that's within the qutip_jax package
           #  --color=yes
           #     force coloured output in the terminal
+          #  -Werror
+          #     Unless explicitly ignored, warnings are errors.
           #  -W ignore::UserWarning:qutip
           #     Ignore matplotlib missing warnings
+          #  -W "ignore:Complex dtype:UserWarning"
+          #     Ignore diffrax's partial complex support
+          #  -W "ignore:jax.core.pp_eqn_rules is deprecated.:DeprecationWarning"
+          #  -W "ignore:unhashable type:FutureWarning"
+          #  -W "ignore:In a future release of JAX,:DeprecationWarning"
+          #     Diffrax / equinox are have warning with latest jax
           # These flags are added to those in pyproject.toml.
 
   finalise:
diff --git a/pyproject.toml b/pyproject.toml
index 2c3aa0e..375f4f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ requires = [
 build-backend = "setuptools.build_meta"
 
 [tool.pytest.ini_options]
-addopts = "-Werror --strict-config --strict-markers -W \"ignore:Complex dtype:UserWarning\""
+addopts = "--strict-config --strict-markers"
 testpaths = [
     "tests",
 ]