diff --git a/Dockerfile b/Dockerfile
index dd4f6c7c2c..b37418ee80 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,20 +3,19 @@
 # - https://github.com/TomographicImaging/CIL#installation-of-cil
 # consumers:
 # - harbor.stfc.ac.uk/imaging-tomography/cil
-FROM jupyter/tensorflow-notebook:ubuntu-22.04
+FROM quay.io/jupyter/tensorflow-notebook:ubuntu-24.04
 LABEL org.opencontainers.image.source=https://github.com/TomographicImaging/CIL
 # tigre: BSD-3-Clause, astra-toolbox: GPL-3.0
 LABEL org.opencontainers.image.licenses="Apache-2.0 AND BSD-3-Clause AND GPL-3.0"
 
+# CUDA-specific packages
+ARG CIL_EXTRA_PACKAGES="ccpi::tigre=3.1.3 astra-toolbox::astra-toolbox=2.4"
 # build & runtime dependencies
-# TODO: sync scripts/create_local_env_for_cil_development.sh, scripts/cil_development.yml, recipe/meta.yaml (e.g. missing libstdcxx-ng _openmp_mutex pip)?
-# vis. https://github.com/TomographicImaging/CIL/pull/1590
+# TODO: sync scripts/cil_development.yml, recipe.yaml
 COPY --chown="${NB_USER}" scripts/cil_development.yml environment.yml
-# channel_priority: https://stackoverflow.com/q/58555389
-RUN for pkg in 'jupyter-server-proxy>4.1.0' $CIL_EXTRA_PACKAGES; do echo "  - $pkg" >> environment.yml; done \
-  && conda config --env --set channel_priority strict \
-  && for ch in defaults nvidia ccpi astra-toolbox conda-forge; do conda config --env --add channels $ch; done \
-  && mamba env update -n base \
+RUN sed -ri '/tigre|astra-toolbox| python /d' environment.yml \
+  && for pkg in 'jupyter-server-proxy>4.1.0' $CIL_EXTRA_PACKAGES; do echo "  - $pkg" >> environment.yml; done \
+  && mamba env update -n base -f environment.yml \
   && mamba clean -a -y -f \
   && rm environment.yml \
   && fix-permissions "${CONDA_DIR}" /home/${NB_USER}
@@ -26,5 +25,6 @@ ENV TENSORBOARD_PROXY_URL=/user-redirect/proxy/6006/
 
 # build & install CIL
 COPY --chown="${NB_USER}" . src
+ENV CIL_FORCE_IPP=ON
 RUN pip install ./src && rm -rf src \
   && fix-permissions "${CONDA_DIR}" /home/${NB_USER}
diff --git a/Wrappers/Python/test/test_algorithms.py b/Wrappers/Python/test/test_algorithms.py
index 61c11824cd..1da91a6e3a 100644
--- a/Wrappers/Python/test/test_algorithms.py
+++ b/Wrappers/Python/test/test_algorithms.py
@@ -1937,7 +1937,7 @@ def test_initialization_with_params(self):
     def test_set_up(self):
         lsqr = LSQR(initial=self.initial, operator=self.Aop, data=self.bop, alpha=0.5)
         beta =  (self.bop -self.Aop.direct(self.initial)).norm()
-        self.assertAlmostEqual(lsqr.beta,  beta, 5 )
+        self.assertAlmostEqual(lsqr.beta,  beta, 4)
         self.assertAlmostEqual(lsqr.phibar,  beta, 5 )
         self.assertAlmostEqual(lsqr.normr,  beta, 5 )
         alpha = self.Aop.adjoint((self.bop -self.Aop.direct(self.initial))/beta).norm()
diff --git a/Wrappers/Python/test/test_wavelets.py b/Wrappers/Python/test/test_wavelets.py
index 2bcf3e357e..b1179f07ba 100644
--- a/Wrappers/Python/test/test_wavelets.py
+++ b/Wrappers/Python/test/test_wavelets.py
@@ -232,7 +232,7 @@ def test_wavelet_adjoint(self):
                 ip1 = c.dot(W.direct(x))
                 ip2 = x.dot(W.adjoint(c))
                 M = x.norm() # Normalization
-                self.assertAlmostEqual(ip1/M, ip2/M, places=5, msg="Periodization convolution should be closest to true adjoint")
+                self.assertAlmostEqual(ip1/M, ip2/M, 4, msg="Periodization convolution should be closest to true adjoint")
     
     def test_WaveletOperator_norm(self):
         n = 64
@@ -336,4 +336,4 @@ def test_L1Sparsity_complex_input(self):
 
 
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/pyproject.toml b/pyproject.toml
index 57b54d8d73..1de85bd169 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,8 @@ sdist.include = ["Wrappers/Python/cil/version.py"]
 sdist.exclude = ["scripts", "docs", "Wrappers/Python/data", "Wrappers/Python/test", ".*"]
 [tool.scikit-build.wheel.packages]
 cil = "Wrappers/Python/cil"
+[tool.scikit-build.cmake.define]
+CIL_FORCE_IPP = {env="CIL_FORCE_IPP", default="OFF"}
 
 [tool.setuptools]
 package-dir = {"" = "Wrappers/Python"}
diff --git a/recipe.yaml b/recipe.yaml
index 8536e4cc61..7fe9f3ded1 100644
--- a/recipe.yaml
+++ b/recipe.yaml
@@ -28,6 +28,7 @@ build:
     env:
       CMAKE_BUILD_TYPE: Release
       CMAKE_GENERATOR: Ninja
+      CIL_FORCE_IPP: ${{ "ON" if x86_64 else "OFF" }}
 
 requirements:
   build:
diff --git a/src/Core/CMakeLists.txt b/src/Core/CMakeLists.txt
index 11eff34554..1314052712 100644
--- a/src/Core/CMakeLists.txt
+++ b/src/Core/CMakeLists.txt
@@ -51,7 +51,11 @@ else()
 endif()
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+option(CIL_FORCE_IPP "Force CIL to use IPP" OFF)
 find_package(IPP)
+if(CIL_FORCE_IPP AND NOT IPP_FOUND)
+  message(FATAL_ERROR "CIL_FORCE_IPP and NOT IPP_FOUND")
+endif()
 
 list(APPEND cilacc_SOURCES utilities.cpp axpby.cpp FiniteDifferenceLibrary.cpp)
 list(APPEND cilacc_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/include)