diff --git a/.circleci/config.pkl b/.circleci/config.pkl
index e985145b..bf1f55f9 100644
--- a/.circleci/config.pkl
+++ b/.circleci/config.pkl
@@ -14,7 +14,7 @@
 // limitations under the License.
 //===----------------------------------------------------------------------===// 
 // File gets rendered to .circleci/config.yml via git hook.
-amends ".../pkl-project-commons/packages/pkl.impl.circleci/PklCI.pkl"
+amends "package://pkg.pkl-lang.org/pkl-project-commons/pkl.impl.circleci@1.0.1#/PklCI.pkl"
 
 import "jobs/BuildNativeJob.pkl"
 import "jobs/GradleCheckJob.pkl"
diff --git a/.circleci/jobs/BuildNativeJob.pkl b/.circleci/jobs/BuildNativeJob.pkl
index 3d835c5c..c110367d 100644
--- a/.circleci/jobs/BuildNativeJob.pkl
+++ b/.circleci/jobs/BuildNativeJob.pkl
@@ -16,9 +16,8 @@
 /// Builds the native `pkl` CLI
 extends "GradleJob.pkl"
 
-// TODO(oss) replace these with package imports
-import ".../pkl-pantry/packages/com.circleci.v2/CircleCI.pkl"
-import ".../pkl-pantry/packages/pkl.experimental.uri/URI.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/com.circleci.v2@1.0.0#/Config.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/pkl.experimental.uri@1.0.0#/URI.pkl"
 
 /// The OS to run on
 os: "macOS"|"linux"
@@ -29,7 +28,7 @@ arch: "amd64"|"aarch64"
 /// Whether to link to musl. Otherwise, links to glibc.
 musl: Boolean = false
 
-local setupLinuxEnvironment: CircleCI.RunStep =
+local setupLinuxEnvironment: Config.RunStep =
   let (jdkVersion = "11.0.20.1+1")
   let (muslVersion = "1.2.2")
   let (zlibVersion = "1.2.13")
@@ -96,12 +95,12 @@ local setupLinuxEnvironment: CircleCI.RunStep =
 
 steps {
   when (os == "linux") {
-    new CircleCI.RestoreCacheStep {
+    new Config.RestoreCacheStep {
       name = "Restore static deps from cache"
       key = "staticdeps-\(arch)"
     }
     setupLinuxEnvironment
-    new CircleCI.SaveCacheStep {
+    new Config.SaveCacheStep {
       name = "Save statics deps to cache"
       key = "staticdeps-\(arch)"
       paths {
@@ -110,7 +109,7 @@ steps {
     }
   }
   when (os == "macOS" && arch == "amd64") {
-    new CircleCI.RunStep {
+    new Config.RunStep {
       name = "Installing Rosetta 2"
       command = """
         /usr/sbin/softwareupdate --install-rosetta --agree-to-license
@@ -121,11 +120,11 @@ steps {
   // We can't use GraalVM 23 for any other build because we need to support Java 11, which was
   // dropped in GraalVM 23.
   when (os == "macOS" && arch == "aarch64") {
-    new CircleCI.RunStep {
+    new Config.RunStep {
       command = "git apply patches/graalVm23.patch"
     }
   }
-  new CircleCI.RunStep {
+  new Config.RunStep {
     name = "gradle buildNative"
     local _os =
       if (os == "macOS") "mac"
@@ -137,7 +136,7 @@ steps {
       ./gradlew \#(module.gradleArgs) pkl-cli:\#(jobName) pkl-core:test\#(jobName.capitalize())
       """#
   }
-  new CircleCI.PersistToWorkspaceStep {
+  new Config.PersistToWorkspaceStep {
     root = "."
     paths {
       "pkl-cli/build/executable/"
diff --git a/.circleci/jobs/DeployJob.pkl b/.circleci/jobs/DeployJob.pkl
index 292ce49c..a8281d6f 100644
--- a/.circleci/jobs/DeployJob.pkl
+++ b/.circleci/jobs/DeployJob.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 extends "GradleJob.pkl"
 
-import ".../pkl-pantry/packages/com.circleci.v2/CircleCI.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/com.circleci.v2@1.0.0#/Config.pkl"
 
 local self = this
 
@@ -28,8 +28,8 @@ job {
 }
 
 steps {
-  new CircleCI.AttachWorkspaceStep { at = "." }
-  new CircleCI.RunStep {
+  new Config.AttachWorkspaceStep { at = "." }
+  new Config.RunStep {
     command = "./gradlew \(self.gradleArgs) \(module.command)"
   }
 }
diff --git a/.circleci/jobs/GradleCheckJob.pkl b/.circleci/jobs/GradleCheckJob.pkl
index bf45c1b0..85ba8498 100644
--- a/.circleci/jobs/GradleCheckJob.pkl
+++ b/.circleci/jobs/GradleCheckJob.pkl
@@ -15,12 +15,12 @@
 //===----------------------------------------------------------------------===//
 extends "GradleJob.pkl"
 
-import ".../pkl-pantry/packages/com.circleci.v2/CircleCI.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/com.circleci.v2@1.0.0#/Config.pkl"
 
 javaVersion: "11.0"|"17.0"
 
 steps {
-  new CircleCI.RunStep {
+  new Config.RunStep {
     name = "gradle check"
     command = "./gradlew \(module.gradleArgs) check"
   }
diff --git a/.circleci/jobs/GradleJob.pkl b/.circleci/jobs/GradleJob.pkl
index 8c5f9e68..eed5dc6f 100644
--- a/.circleci/jobs/GradleJob.pkl
+++ b/.circleci/jobs/GradleJob.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 abstract module GradleJob
 
-import ".../pkl-pantry/packages/com.circleci.v2/CircleCI.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/com.circleci.v2@1.0.0#/Config.pkl"
 
 /// Whether this is a release build or not.
 isRelease: Boolean = false
@@ -28,16 +28,16 @@ fixed gradleArgs = new Listing {
   }
 }.join(" ")
 
-steps: Listing<CircleCI.Step>
+steps: Listing<Config.Step>
 
-job: CircleCI.Job = new {
+job: Config.Job = new {
   environment {
     ["LANG"] = "en_US.UTF-8"
   }
   steps {
     "checkout"
     ...module.steps
-    new CircleCI.RunStep {
+    new Config.RunStep {
       // find all test results and write them to the home dir
       name = "Gather test results"
       command = """
@@ -46,7 +46,7 @@ job: CircleCI.Job = new {
         """
       `when` = "always"
     }
-    new CircleCI.StoreTestResults {
+    new Config.StoreTestResults {
       path = "~/test-results"
     }
   }
diff --git a/.circleci/jobs/SimpleGradleJob.pkl b/.circleci/jobs/SimpleGradleJob.pkl
index 0c95ed38..9f925361 100644
--- a/.circleci/jobs/SimpleGradleJob.pkl
+++ b/.circleci/jobs/SimpleGradleJob.pkl
@@ -15,14 +15,14 @@
 //===----------------------------------------------------------------------===//
 extends "GradleJob.pkl"
 
-import ".../pkl-pantry/packages/com.circleci.v2/CircleCI.pkl"
+import "package://pkg.pkl-lang.org/pkl-pantry/com.circleci.v2@1.0.0#/Config.pkl"
 
 name: String = command
 
 command: String
 
 steps {
-  new CircleCI.RunStep {
+  new Config.RunStep {
     name = module.name
     command = """
       ./gradlew \(module.gradleArgs) \(module.command)