Update CI.yml

Author: goedman

.github/workflows/CI.yml

@@ -7,7 +7,7 @@ on:
   pull_request:
 
 env:
-  JULIA_CMDSTAN_HOME: "/home/worker/cmdstan-2.25.0/"
+  JULIA_CMDSTAN_HOME: "/home/worker/cmdstan-2.26.0/"
 
 jobs:
   test:
@@ -41,13 +41,13 @@ jobs:
           OLDWD=`pwd`
           cd ~
           pwd
-          wget https://github.com/stan-dev/cmdstan/releases/download/v2.25.0/cmdstan-2.25.0.tar.gz
-          tar -xzpf cmdstan-2.25.0.tar.gz
+          wget https://github.com/stan-dev/cmdstan/releases/download/v2.26.0/cmdstan-2.26.0.tar.gz
+          tar -xzpf cmdstan-2.26.0.tar.gz
           ls -lia .
           make -C $JULIA_CMDSTAN_HOME build
           cd $OLDWD
         env:
-          JULIA_CMDSTAN_HOME: "/home/runner/cmdstan-2.25.0/"
+          JULIA_CMDSTAN_HOME: "/home/runner/cmdstan-2.26.0/"
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
         with: