diff --git a/.circleci/config.yml b/.circleci/config.yml
index c1bd2ba..6147861 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,7 @@
 version: 2.1
 
 orbs:
-  win: circleci/windows@2.2.0
+  win: circleci/windows@5.0
   slack: circleci/slack@4.2.0
 
 commands:
@@ -57,15 +57,15 @@
       - go_e2e_test
 
   # previous stable Go version
-  go116_build:
+  go118_build:
     docker:
-      - image: circleci/golang:1.16
+      - image: cimg/go:1.18
     steps:
       - checkout
       - go_build
-  go116_test:
+  go118_test:
     docker:
-      - image: circleci/golang:1.16
+      - image: cimg/go:1.18
     parameters:
       test_results:
         type: string
@@ -75,15 +75,15 @@
       - go_unit_test
 
   # latest stable Go version
-  go117_build:
+  go119_build:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.19
     steps:
       - checkout
       - go_build
-  go117_test:
+  go119_test:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.19
     parameters:
       test_results:
         type: string
@@ -91,11 +91,11 @@
     steps:
       - checkout
       - go_unit_test
-  go117_test_main:
+  go119_test_main:
     environment:
       TFEXEC_E2ETEST_VERSIONS: refs/heads/main
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.19
     parameters:
       test_results:
         type: string
@@ -104,21 +104,21 @@
       - checkout
       - go_unit_test
       - go_e2e_test
-  go117_vet:
+  go119_vet:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.19
     steps:
       - checkout
       - run: go vet ./...
-  go117_fmt:
+  go119_fmt:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.19
     steps:
       - checkout
       - run: gofmt -s -l .
-  go117_release:
+  go119_release:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.9
     steps:
       - add_ssh_keys:
           fingerprints:
@@ -133,23 +133,23 @@
       - winbuildtest
       - macosbuildtest
 
-      - go116_build
-      - go116_test:
+      - go118_build
+      - go118_test:
           requires:
-            - go116_build
-      - go117_build
-      - go117_test:
+            - go118_build
+      - go119_build
+      - go119_test:
           requires:
-            - go117_build
-      - go117_test_main:
+            - go119_build
+      - go119_test_main:
           requires:
-            - go117_build
-      - go117_vet:
+            - go119_build
+      - go119_vet:
           requires:
-            - go117_build
-      - go117_fmt:
+            - go119_build
+      - go119_fmt:
           requires:
-            - go117_build
+            - go119_build
   release:
     jobs:
       - winbuildtest:
@@ -162,49 +162,49 @@
             branches:
               only:
                 - main
-      - go116_build:
+      - go118_build:
           filters:
             branches:
               only:
                 - main
-      - go116_test:
+      - go118_test:
           requires:
-            - go116_build
+            - go118_build
           filters:
             branches:
               only:
                 - main
 
-      - go117_build:
+      - go119_build:
           filters:
             branches:
               only:
                 - main
-      - go117_test:
+      - go119_test:
           requires:
-            - go117_build
+            - go119_build
           filters:
             branches:
               only:
                 - main
 
-      - go117_test_main:
+      - go119_test_main:
           requires:
-            - go117_build
+            - go119_build
           filters:
             branches:
               only:
                 - main
-      - go117_vet:
+      - go119_vet:
           requires:
-            - go117_build
+            - go119_build
           filters:
             branches:
               only:
                 - main
-      - go117_fmt:
+      - go119_fmt:
           requires:
-            - go117_build
+            - go119_build
           filters:
             branches:
               only:
@@ -217,16 +217,16 @@
                 - main
           type: approval
 
-      - go117_release:
+      - go119_release:
           filters:
             branches:
               only:
                 - main
           requires:
             - trigger-release
-            - go117_test_main
-            - go117_vet
-            - go117_fmt
+            - go119_test_main
+            - go119_vet
+            - go119_fmt
             - winbuildtest
             - macosbuildtest
   nightly:
@@ -244,31 +244,31 @@
             - slack/notify:
                 event: fail
                 template: basic_fail_1
-      - go116_build:
+      - go118_build:
           post-steps:
             - slack/notify:
                 event: fail
                 template: basic_fail_1
-      - go116_test:
+      - go118_test:
           post-steps:
             - slack/notify:
                 event: fail
                 template: basic_fail_1
           requires:
-            - go116_build
-      - go117_build:
+            - go118_build
+      - go119_build:
           post-steps:
             - slack/notify:
                 event: fail
                 template: basic_fail_1
-      - go117_test:
+      - go119_test:
           post-steps:
             - slack/notify:
                 event: fail
                 template: basic_fail_1
           requires:
-            - go117_build
-      - go117_test_main:
+            - go119_build
+      - go119_test_main:
           post-steps:
             - slack/notify:
                 event: fail
@@ -291,8 +291,8 @@
                     ]
                   }
           requires:
-            - go116_build
-            - go116_test
-            - go117_build
+            - go118_build
+            - go118_test
+            - go119_build
             - winbuildtest
             - macosbuildtest
diff --git a/README.md b/README.md
index 10052a7..894291c 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 This library is built in Go, and uses the [support policy](https://golang.org/doc/devel/release.html#policy) of Go as its support policy. The two latest major releases of Go are supported by terraform-exec.
 
-Currently, that means Go **1.17** or later must be used.
+Currently, that means Go **1.18** or later must be used.
 
 ## Usage
 
diff --git a/go.mod b/go.mod
index 463ab88..a96762a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,13 @@
 module github.com/hashicorp/terraform-exec
 
-go 1.17
+go 1.18
 
 require (
 	github.com/google/go-cmp v0.5.8
 	github.com/hashicorp/go-version v1.6.0
 	github.com/hashicorp/hc-install v0.4.0
 	github.com/hashicorp/terraform-json v0.14.0
-	github.com/zclconf/go-cty v1.10.0
+	github.com/zclconf/go-cty v1.11.0
 	github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b
 )
 
@@ -29,6 +29,6 @@
 	golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e // indirect
 	golang.org/x/net v0.0.0-20210326060303-6b1517762897 // indirect
 	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
-	golang.org/x/text v0.3.5 // indirect
+	golang.org/x/text v0.3.7 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )
diff --git a/go.sum b/go.sum
index 0648430..4895bec 100644
--- a/go.sum
+++ b/go.sum
@@ -96,8 +96,9 @@
 github.com/xanzy/ssh-agent v0.3.0 h1:wUMzuKtKilRgBAD1sUb8gOwwRr2FGoBVumcjoOACClI=
 github.com/xanzy/ssh-agent v0.3.0/go.mod h1:3s9xbODqPuuhK9JV1R321M/FlMZSBvE5aY6eAcqrDh0=
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
-github.com/zclconf/go-cty v1.10.0 h1:mp9ZXQeIcN8kAwuqorjH+Q+njbJKjLrvB2yIh4q7U+0=
 github.com/zclconf/go-cty v1.10.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
+github.com/zclconf/go-cty v1.11.0 h1:726SxLdi2SDnjY+BStqB9J1hNp4+2WlzyXLuimibIe0=
+github.com/zclconf/go-cty v1.11.0/go.mod h1:s9IfD1LK5ccNMSWCVFCE2rJfHiZgi7JijgeWIMfhLvA=
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b h1:FosyBZYxY34Wul7O/MSKey3txpPYyCqVO5ZyceuQJEI=
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b/go.mod h1:ZRKQfBXbGkpdV6QMzT3rU1kSTAnfu1dO8dPKjYprgj8=
 golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -129,8 +130,9 @@
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=