diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f5dbc40..433bab8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,15 +20,18 @@ jobs:
     - uses: actions/setup-node@v3
       with:
         node-version: 14
-    - uses: aviate-labs/setup-dfx@v0.2.3
+    - uses: aviate-labs/setup-dfx@v0.2.5
       with:
         dfx-version: 0.13.1
 
     - name: "install Motoko binaries"
       run: |
+       sudo dfx cache install
        wget https://github.com/dfinity/motoko/releases/download/${{ env.moc_version }}/motoko-linux64-${{ env.moc_version }}.tar.gz
        mkdir -p /home/runner/bin
        tar -xzf motoko-linux64-${{ env.moc_version }}.tar.gz -C /home/runner/bin
+       dfx cache show | xargs -n 1 -I{} mkdir -p {}
+       dfx cache show | xargs -n 1 -I{} cp -r /home/runner/bin/* {}
        echo "/home/runner/bin" >> $GITHUB_PATH
 
     - name: "install vessel"
diff --git a/Makefile b/Makefile
index e318f36..acdc70f 100644
--- a/Makefile
+++ b/Makefile
@@ -3,21 +3,21 @@
 install-dfx-cache: 
 	dfx cache install
 
-check: install-dfx-cache
+check:
 	find src -type f -name '*.mo' -print0 | xargs -0 $(shell dfx cache show)/moc $(shell vessel sources) --check
 
-check-mops: install-dfx-cache
+check-mops:
 	find src -type f -name '*.mo' -print0 | xargs -0 $(shell dfx cache show)/moc $(shell mops sources) --check
 
 all: check-strict check-strict-mops docs test
 
-check-strict: install-dfx-cache
+check-strict:
 	find src -type f -name '*.mo' -print0 | xargs -0 $(shell dfx cache show)/moc $(shell vessel sources) -Werror --check
 
-check-strict-mops: install-dfx-cache
+check-strict-mops:
 	find src -type f -name '*.mo' -print0 | xargs -0 $(shell dfx cache show)/moc $(shell mops sources) -Werror --check
 
-docs: install-dfx-cache
+docs:
 	$(shell dfx cache show)/mo-doc
 
 test:
diff --git a/package-set.dhall b/package-set.dhall
index df8c71d..3c2ade6 100644
--- a/package-set.dhall
+++ b/package-set.dhall
@@ -1,5 +1,5 @@
 let vessel_package_set =
-      https://github.com/dfinity/vessel-package-set/releases/download/mo-0.8.3-20230224/package-set.dhall
+      https://github.com/dfinity/vessel-package-set/releases/download/mo-0.8.7-20230406/package-set.dhall
 let Package =
     { name : Text, version : Text, repo : Text, dependencies : List Text }
 
@@ -26,7 +26,11 @@ let
       , version = "v0.2.0"
       , dependencies = [ "base"]
       },
-      { name = "base", repo = "https://github.com/dfinity/motoko-base.git", version = "moc-0.8.1", dependencies = []: List Text },
+      { name = "base"
+      , repo = "https://github.com/dfinity/motoko-base.git"
+      , version = "a867420b4c147c0df64e999fb11f0978e82e1d2a"
+      , dependencies = []: List Text 
+      },
       { name = "map"
       , repo = "https://github.com/ZhenyaUsenko/motoko-hash-map"
       , version = "v7.0.0"
diff --git a/vessel.dhall b/vessel.dhall
index 9c2f3cd..66354e1 100644
--- a/vessel.dhall
+++ b/vessel.dhall
@@ -1,4 +1,4 @@
 {
-  dependencies = [ "base", "matchers",  "candid", "xtendedNumbers", "stablebuffer", "map","candy_0_1_12"],
-     compiler = Some "0.8.1",
+  dependencies = ["base", "matchers", "candid", "xtendedNumbers", "stablebuffer", "map", "candy_0_1_12"],
+     compiler = Some "0.8.7",
 }