diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 89fca542..fe374ae2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,7 +31,7 @@ jobs:
       - name: update pip
         run: python -m pip install -U pip
       - name: install python deps
-        run: python -m pip install -U scikit-image==0.20.0
+        run: python -m pip install -U scikit-image==0.20.0 pyproj==3.6.0 rasterio==1.3.7 requests==2.31.0 skyfield==1.45.0
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 2e2704d7..8b6559a0 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -20,7 +20,7 @@ jobs:
       - name: update pip
         run: python -m pip install -U pip
       - name: install python deps
-        run: python -m pip install -U scikit-image matplotlib
+        run: python -m pip install -U scikit-image==0.20.0 pyproj==3.6.0 rasterio==1.3.7 requests==2.31.0 skyfield==1.45.0
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1.7'
diff --git a/src/IceFloeTracker.jl b/src/IceFloeTracker.jl
index 69ced447..2e34f474 100644
--- a/src/IceFloeTracker.jl
+++ b/src/IceFloeTracker.jl
@@ -44,7 +44,7 @@ export readdlm,
 using HDF5
 export HDF5, PyCall
 export DataFrames, DataFrame, nrow, Not, select!
-export Dates, Time, Date, DateTime,@dateformat_str
+export Dates, Time, Date, DateTime, @dateformat_str
 
 include("utils.jl")
 include("persist.jl")
@@ -67,7 +67,12 @@ include("special_strels.jl")
 const sk_measure = PyNULL()
 
 function __init__()
-    return copy!(sk_measure, pyimport_conda("skimage.measure", "scikit-image=0.20.0"))
+    copy!(sk_measure, pyimport_conda("skimage.measure", "scikit-image=0.20.0"))
+    pyimport_conda("pyproj", "pyproj=3.6.0")
+    pyimport_conda("rasterio", "rasterio=1.3.7")
+    pyimport_conda("requests", "requests=2.31.0")
+    pyimport_conda("skyfield", "skyfield=1.45.0")
+    return nothing
 end
 
 include("regionprops.jl")