diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 44073f0..ad323f8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -67,7 +67,7 @@ jobs:
       - name: build
         run: |
           echo 'DEAL_II_CONFOPTS="-D CMAKE_BUILD_TYPE=Debug"' >> candi.cfg
-          ./candi.sh -j 2 --packages="dealii"
+          ./candi.sh -j 2 --packages="boost dealii"
           cd ~/dealii-candi/tmp/build/deal.II-* && cat detailed.log
 
   macos-gcc:
diff --git a/deal.II-toolchain/packages/boost.package b/deal.II-toolchain/packages/boost.package
index 8611ad3..d4059c9 100644
--- a/deal.II-toolchain/packages/boost.package
+++ b/deal.II-toolchain/packages/boost.package
@@ -1,9 +1,11 @@
-VERSION=1_63_0;CHECKSUM=7b493c08bc9557bbde7e29091f28b605
+VERSION=1_85_0;CHECKSUM=53aeccc3167909ee770e34469f8dd592
+#VERSION=1_81_0;CHECKSUM=4bf02e84afb56dfdccd1e6aec9911f4b
+#VERSION=1_63_0;CHECKSUM=7b493c08bc9557bbde7e29091f28b605
 #VERSION=1_60_0;CHECKSUM=28f58b9a33469388302110562bdf6188
 #VERSION=1_59_0;CHECKSUM=51528a0e3b33d9e10aaa311d9eb451e3
 #VERSION=1_58_0;CHECKSUM=5a5d5614d9a07672e1ab2a250b5defc5
 NAME=boost_${VERSION}
-SOURCE=http://downloads.sourceforge.net/boost/
+SOURCE=https://downloads.sourceforge.net/boost/
 PACKING=.tar.gz
 
 BUILDCHAIN=custom