[CI] fix R's installation (#3279)

microsoft · Aug 6, 2020 · 53c64ba · 53c64ba
1 parent 82e2ff7
commit 53c64ba
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.ci/test_r_package.sh b/.ci/test_r_package.sh
@@ -42,7 +42,7 @@ if [[ $AZURE != "true" ]] && [[ $OS_NAME == "linux" ]]; then
     sudo apt-get update
     sudo apt-get install \
         --no-install-recommends \
-        -y \
+        -y --allow-downgrades \
             r-base-dev=${R_LINUX_VERSION} \
             texinfo \
             texlive-latex-recommended \