diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 163957c859..cd3eccff57 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -2670,21 +2670,21 @@ buildvariants:
 
   - matrix_name: "tests-36-with-zlib-support"
     tags: ["pullrequest"]
-    matrix_spec: { version: ["3.6"], os-ssl-32: "*" }
+    matrix_spec: { version: ["3.6"], os-ssl-32: ["windows-64-go-1-20", "rhel87-64-go-1-20"] }
     display_name: "${version} ${os-ssl-32}"
     tasks:
       - name: ".test !.enterprise-auth !.snappy !.zstd"
 
   - matrix_name: "tests-40-with-zlib-support"
     tags: ["pullrequest"]
-    matrix_spec: { version: ["4.0"], os-ssl-40: "*" }
+    matrix_spec: { version: ["4.0"], os-ssl-40: ["windows-64-go-1-20", "rhel87-64-go-1-20"] }
     display_name: "${version} ${os-ssl-40}"
     tasks:
       - name: ".test !.enterprise-auth !.snappy !.zstd"
 
   - matrix_name: "tests-42-plus-zlib-zstd-support"
     tags: ["pullrequest"]
-    matrix_spec: { version: ["4.2", "4.4", "5.0", "6.0", "7.0", "latest"], os-ssl-40: "*" }
+    matrix_spec: { version: ["4.2", "4.4", "5.0", "6.0", "7.0", "latest"], os-ssl-40: ["windows-64-go-1-20", "rhel87-64-go-1-20"] }
     display_name: "${version} ${os-ssl-40}"
     tasks:
       - name: ".test !.enterprise-auth !.snappy"
@@ -2733,7 +2733,7 @@ buildvariants:
 
   - matrix_name: "versioned-api-test"
     tags: ["pullrequest"]
-    matrix_spec: { version: ["5.0", "6.0", "7.0", "latest"], os-ssl-40: "*" }
+    matrix_spec: { version: ["5.0", "6.0", "7.0", "latest"], os-ssl-40: ["windows-64-go-1-20", "rhel87-64-go-1-20"] }
     display_name: "API Version ${version} ${os-ssl-40}"
     tasks:
       - name: ".versioned-api"