diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index bb89332d..4cc75968 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -14,7 +14,7 @@ jobs:
       if: success()
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.16.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Run tests
@@ -22,7 +22,7 @@ jobs:
     - name: Postman generated
       working-directory: specs
       run: |
-        go install github.com/grokify/spectrum@v1.15.0
+        go install github.com/grokify/spectrum@v1.10.3
         spectrum --config engage-digital_postman2.config.json --basePostmanFile engage-digital_postman2.base.json --openapiFile engage-digital_openapi3.yaml --postmanFile engage-digital_postman2.json.new
         diff engage-digital_postman2.json engage-digital_postman2.json.new
   lint:
diff --git a/specs/README.md b/specs/README.md
index 5de7681d..44032320 100644
--- a/specs/README.md
+++ b/specs/README.md
@@ -10,7 +10,7 @@ Use the following files:
 The following files are used to generate the Postman collection and are not designed to be used on their own:
 
 * `engage-digital_postman2.config.json`: configuration file for Spectrum Postman Collection generator.
-* `engage-digital_postman2.base.json`: 
+* `engage-digital_postman2.base.json`:
 
 ## Postman Collection
 
@@ -27,10 +27,10 @@ Use `spectrum` to create the Postman 2.x collection from the OpenAPI 3 API Speci
 The following will install the `spectrum` executable in the `~/go/bin` directory.
 
 ```bash
-$ go get github.com/grokify/spectrum
+$ go install github.com/grokify/spectrum@v1.10.3
 ```
 
-This approach requires `go` 1.16 minimum be installed on your system. See more here: [https://golang.org/](https://golang.org/).
+This approach requires `go` 1.16 be installed on your system. See more here: [https://golang.org/](https://golang.org/).
 
 ### Usage