diff --git a/README.md b/README.md
index e59cbd23f..6da0fbca7 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 </p>
 
 
-# tea/cli 0.35.4
+# tea/cli 0.35.5
 
 `tea` puts the whole open source ecosystem at your fingertips:
 
diff --git a/deno.jsonc b/deno.jsonc
index ac6ac9622..06a3f191f 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -33,8 +33,8 @@
   "imports": {
     "is-what": "https://deno.land/x/is_what@v4.1.8/src/index.ts",
     "jsonc": "https://deno.land/x/jsonc_parser@v0.0.1/mod.ts",
-    "tea": "https://raw.github.com/teaxyz/lib/v0.4.2/mod.ts",
-    "tea/": "https://raw.github.com/teaxyz/lib/v0.4.2/src/",
+    "tea": "https://raw.github.com/teaxyz/lib/v0.5.0/mod.ts",
+    "tea/": "https://raw.github.com/teaxyz/lib/v0.5.0/src/",
     "outdent": "https://deno.land/x/outdent@v0.8.0/mod.ts",
     "cliffy/": "https://deno.land/x/cliffy@v0.25.7/",
     "deno/": "https://deno.land/std@0.187.0/",
diff --git a/src/hooks/useConfig.ts b/src/hooks/useConfig.ts
index 7b6a197aa..8ba00a783 100644
--- a/src/hooks/useConfig.ts
+++ b/src/hooks/useConfig.ts
@@ -127,9 +127,13 @@ function getVerbosity(env: Record<string, string>, sequences_ok: boolean): Verbo
   const verbosity = flatmap(VERBOSE, parseInt)
   if (isNumber(verbosity)) {
     return verbosity
-  } else if (parseBool(CI) || !sequences_ok) {
+  } else if (parseBool(CI)) {
     // prevents dumping 100s of lines of download progress
     return Verbosity.quiet
+  } else if (!Deno.isatty(Deno.stderr.rid)) {
+    return Verbosity.silent
+  } else if (!sequences_ok) {
+    return Verbosity.quiet
   } else {
     return Verbosity.normal
   }
diff --git a/src/hooks/useVirtualEnv.ts b/src/hooks/useVirtualEnv.ts
index 9151753bb..cc91af03f 100644
--- a/src/hooks/useVirtualEnv.ts
+++ b/src/hooks/useVirtualEnv.ts
@@ -221,6 +221,12 @@ export default async function(cwd: Path): Promise<VirtualEnv> {
         srcroot = f!.parent()
       }
     }
+    if (_if(".yarnrc")) {
+      pkgs.push({ project: "classic.yarnpkg.com", constraint })
+    }
+    if (_if(".yarnrc.yml")) {
+      pkgs.push({ project: "yarnpkg.com", constraint })
+    }
     if (_if("tea.yml", "tea.yaml")) {
       insert(refineFrontMatter(await f!.readYAML()))
     }
diff --git a/src/prefab/install.ts b/src/prefab/install.ts
index 1f7e973d0..f2b14b57b 100644
--- a/src/prefab/install.ts
+++ b/src/prefab/install.ts
@@ -30,12 +30,12 @@ export default async function(pkgs: PackageSpecification[], update: boolean) {
   if (json) {
     logJSON({ status: "resolved", pkgs: pending.map(utils.pkg.str) })
   } else {
-    console.debug({hydrating: pkgs})
-    if (verbosity <= Verbosity.quiet) {
-      logger.replace(`${teal("installing")} ${pending.map(utils.pkg.str).join(", ")}`)
-    } else {
+    if (verbosity > Verbosity.quiet) {
       logger.clear()
+    } else if (pending.length) {
+      logger.replace(`${teal("installing")} ${pending.map(utils.pkg.str).join(", ")}`)
     }
+    console.debug({hydrating: pkgs})
   }
 
   if (!dryrun && env.TEA_MAGIC?.split(':').includes("prompt")) {