diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 9fb4d83..f6b4424 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -1,9 +1,9 @@
 cdt_name:
 - cos6
 channel_sources:
-- conda-forge/label/llvm_rc,conda-forge
+- conda-forge
 channel_targets:
-- conda-forge llvm_rc
+- conda-forge main
 cxx_compiler:
 - gxx
 cxx_compiler_version:
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index 9173ece..4e6df69 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -3,9 +3,9 @@ MACOSX_DEPLOYMENT_TARGET:
 MACOSX_SDK_VERSION:
 - '10.14'
 channel_sources:
-- conda-forge/label/llvm_rc,conda-forge
+- conda-forge
 channel_targets:
-- conda-forge llvm_rc
+- conda-forge main
 cxx_compiler:
 - clang_bootstrap
 cxx_compiler_version:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index e39e0b6..e28b302 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -1,9 +1,9 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
 channel_sources:
-- conda-forge/label/llvm_rc,conda-forge
+- conda-forge
 channel_targets:
-- conda-forge llvm_rc
+- conda-forge main
 cxx_compiler:
 - clang_bootstrap
 cxx_compiler_version:
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index a6b09f6..322832b 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -31,11 +31,10 @@ pkgs_dirs:
 
 CONDARC
 
-
-mamba install --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
-mamba update --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
+mamba install --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
+    pip mamba conda-build boa conda-forge-ci-setup=3
+mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
+    pip mamba conda-build boa conda-forge-ci-setup
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
diff --git a/.scripts/logging_utils.sh b/.scripts/logging_utils.sh
index 57bc95c..aff009f 100644
--- a/.scripts/logging_utils.sh
+++ b/.scripts/logging_utils.sh
@@ -12,7 +12,7 @@ function startgroup {
             echo "##[group]$1";;
         travis )
             echo "$1"
-            echo -en 'travis_fold:start:'"${1// /}"'\\r';;
+            echo -en 'travis_fold:start:'"${1// /}"'\r';;
         github_actions )
             echo "::group::$1";;
         * )
@@ -28,7 +28,7 @@ function endgroup {
         azure )
             echo "##[endgroup]";;
         travis )
-            echo -en 'travis_fold:end:'"${1// /}"'\\r';;
+            echo -en 'travis_fold:end:'"${1// /}"'\r';;
         github_actions )
             echo "::endgroup::";;
     esac
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index 3969edf..cd9a88f 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -23,10 +23,10 @@ bash $MINIFORGE_FILE -b -p ${MINIFORGE_HOME}
 source ${MINIFORGE_HOME}/etc/profile.d/conda.sh
 conda activate base
 
-mamba install --update-specs --quiet --yes --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
-mamba update --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3
+mamba install --update-specs --quiet --yes --channel conda-forge --strict-channel-priority \
+    pip mamba conda-build boa conda-forge-ci-setup=3
+mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
+    pip mamba conda-build boa conda-forge-ci-setup