diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 1fda24d2d2..28ba9c4e8c 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.17]
+        go: [1.17, 1.18.0-rc1]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
@@ -19,6 +19,7 @@ jobs:
       uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go }}
+        stable: ${{ !contains(matrix.go, 'rc') }}
     - run: ./gomod.sh
     - run: ./gofmt.sh
     - run: ./gogenerate.sh
@@ -29,7 +30,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.17, 1.16.7]
+        go: [1.17, 1.16.7, 1.18.0-rc1]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
@@ -37,13 +38,14 @@ jobs:
       uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go }}
+        stable: ${{ !contains(matrix.go, 'rc') }}
     - run: go build ./...
 
   test:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.17, 1.16.7]
+        go: [1.17, 1.16.7, 1.18.0-rc1]
         pg: [9.6.5, 10]
     runs-on: ${{ matrix.os }}
     services:
@@ -83,4 +85,5 @@ jobs:
       uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go }}
+        stable: ${{ !contains(matrix.go, 'rc') }}
     - run: go test -race -cover ./...
diff --git a/staticcheck.sh b/staticcheck.sh
index 963d0b3368..ada16a6b4c 100755
--- a/staticcheck.sh
+++ b/staticcheck.sh
@@ -1,7 +1,13 @@
 #! /bin/bash
 set -e
 
+gover=$(go version | { read _ _ gover _; printf $gover; })
+
 version='2020.1.4'
+if [[ "$gover" = "go1.18"* ]]; then
+  version='d5c28addcbbbafca0b9a0f9ad8957912e9371015'
+fi
+
 staticcheck='go run honnef.co/go/tools/cmd/staticcheck@'"$version"
 
 printf "Running staticcheck $version...\n"
@@ -10,6 +16,10 @@ ls -d */ \
   | egrep -v '^vendor|^docs' \
   | xargs -I {} $staticcheck -tests=false -checks="all,-ST1003,-SA1019,-ST1005,-ST1000,-ST1016,-S1039,-ST1021,-ST1020,-ST1019,-SA4022" ./{}...
 
-
-# Check horizon for unused exported symbols (relying on the fact that it should be self-contained)
-$staticcheck -unused.whole-program -checks='U*' ./services/horizon/...
+# Whole program unused checks were removed from staticcheck in newer versions,
+# so this check is being sunset and will be removed once Go 1.18 is released and
+# a proper release of staticcheck is released that supports it.
+if [ "$version" = "2020.1.4" ]; then
+  # Check horizon for unused exported symbols (relying on the fact that it should be self-contained)
+  $staticcheck -unused.whole-program -checks='U*' ./services/horizon/...
+fi