diff --git a/.github/workflows/cache_data.yaml b/.github/workflows/cache_data.yaml
index 969198e4ef1..f0556b81196 100644
--- a/.github/workflows/cache_data.yaml
+++ b/.github/workflows/cache_data.yaml
@@ -26,7 +26,7 @@ jobs:
 
       # Install GMT
       - name: Install GMT
-        run: conda install -c conda-forge gmt=6.1.1
+        run: conda install -c conda-forge/label/dev gmt=6.2.0rc2
 
       # Download remote files
       - name: Download remote data
diff --git a/.github/workflows/ci_docs.yml b/.github/workflows/ci_docs.yml
index 706c2c22037..bf36a61573c 100644
--- a/.github/workflows/ci_docs.yml
+++ b/.github/workflows/ci_docs.yml
@@ -66,7 +66,7 @@ jobs:
       # Install GMT and other required dependencies from conda-forge
       - name: Install dependencies
         run: |
-          conda install conda-forge/label/dev::gmt=6.2.0rc1 \
+          conda install conda-forge/label/dev::gmt=6.2.0rc2 \
                         numpy pandas xarray netCDF4 packaging \
                         ipython make myst-parser \
                         sphinx sphinx-copybutton sphinx-gallery sphinx_rtd_theme
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 1a40e4eaafe..9f46e649b70 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -52,7 +52,7 @@ jobs:
             optional-packages: ''
           - python-version: 3.9
             numpy-version: '1.20'
-            optional-packages: 'geopandas'
+            optional-packages: ''  # 'geopandas'
     defaults:
       run:
         shell: bash -l {0}
@@ -89,7 +89,7 @@ jobs:
       # Install GMT and other required dependencies from conda-forge
       - name: Install dependencies
         run: |
-          conda install conda-forge/label/dev::gmt=6.2.0rc1 \
+          conda install conda-forge/label/dev::gmt=6.2.0rc2 \
                         numpy=${{ matrix.numpy-version }} \
                         pandas xarray netCDF4 packaging \
                         ${{ matrix.optional-packages }} \
diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index c2728dfbb0b..586ae5e3f11 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -83,7 +83,7 @@ jobs:
       # Install dependencies from conda-forge
       - name: Install dependencies
         run: |
-          conda install ninja cmake libblas libcblas liblapack fftw gdal \
+          conda install ninja cmake libblas libcblas liblapack fftw gdal=3.2 geopandas \
                         ghostscript libnetcdf hdf5 zlib curl pcre make dvc
           pip install --pre numpy pandas xarray netCDF4 packaging \
                             ipython pytest-cov pytest-mpl pytest>=6.0 sphinx-gallery
diff --git a/environment.yml b/environment.yml
index d44c2ff2fb8..09d2c6f8c79 100644
--- a/environment.yml
+++ b/environment.yml
@@ -6,7 +6,7 @@ channels:
 dependencies:
     # Required dependencies
     - pip
-    - gmt=6.2.0rc1
+    - gmt=6.2.0rc2
     - numpy>=1.17
     - pandas
     - xarray