diff --git a/.github/locks/linux-64_lock-environment.conda.lock b/.github/locks/linux-64_lock-environment.conda.lock
index 3e2db9c..37ee80b 100644
--- a/.github/locks/linux-64_lock-environment.conda.lock
+++ b/.github/locks/linux-64_lock-environment.conda.lock
@@ -17,7 +17,7 @@ https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-14.1.0-h69a702a_1.cond
 https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-14.1.0-hc0a3c3a_1.conda#9dbb9699ea467983ba8a4ba89b08b066
 https://conda.anaconda.org/conda-forge/linux-64/openssl-3.3.2-hb9d3cd8_0.conda#4d638782050ab6faa27275bed57e9b4e
 https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.8-h4bc722e_7.conda#62ee74e96c5ebb0af99386de58cf9553
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.32.3-h4bc722e_0.conda#7624e34ee6baebfc80d67bac76cc9d9d
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.33.1-heb4867d_0.conda#0d3c60291342c0c025db231353376dfb
 https://conda.anaconda.org/conda-forge/linux-64/expat-2.6.3-h5888daf_0.conda#6595440079bed734b113de44ffd3cd0a
 https://conda.anaconda.org/conda-forge/linux-64/keyutils-1.6.1-h166bdaf_0.tar.bz2#30186d27e2c9fa62b45fb1476b7200e3
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-hd590300_2.conda#172bf1cd1ff8629f2b1179945ed45055
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6641aa8..687ebf7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ env:
   CONDA_EXE: mamba
   # our stuff
   SKIP_CONDA_PREFLIGHT: 1
-  CACHE_EPOCH: 1
+  CACHE_EPOCH: 2
 
 jobs:
   build:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29b9da0..d005ff8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## `2.1.0a1`
+
+### `@jupyrdf/jupyter-elk 2.1.0-alpha1`
+
+> TBD
+
+### `ipyelk 2.1.0a1`
+
+> TBD
+
 ## `2.1.0a0`
 
 ### `@jupyrdf/jupyter-elk 2.1.0-alpha0`
diff --git a/dodo.py b/dodo.py
index 241eb0b..b17ab03 100644
--- a/dodo.py
+++ b/dodo.py
@@ -328,6 +328,9 @@ def task_setup():
         else:
             install_targets += [P.YARN_LOCK]
 
+        if P.CI:
+            install_args += ["--immutable"]
+
         install_actions = [[*P.IN_ENV, *install_args]]
 
         if not P.CI:
diff --git a/package.json b/package.json
index bcea886..a2b1c92 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyrdf/jupyter-elk",
-  "version": "2.1.0-alpha0",
+  "version": "2.1.0-alpha1",
   "description": "ElkJS widget for Jupyter",
   "license": "BSD-3-Clause",
   "author": "Dane Freeman",
@@ -38,8 +38,8 @@
   ],
   "types": "lib/index.d.ts",
   "resolutions": {
-    "verdaccio": "file:./scripts/not-a-package",
-    "@types/react": "file:./scripts/not-a-package",
+    "verdaccio": "link:./scripts/not-a-package",
+    "@types/react": "link:./scripts/not-a-package",
     "typescript": "5.2.2",
     "prettier": "^3.3.0",
     "elkjs": "0.9.3",
diff --git a/pyproject.toml b/pyproject.toml
index af7d01e..c84b1f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "ipyelk"
-version = "2.1.0a0"
+version = "2.1.0a1"
 description = "ELK widget for Jupyter"
 authors = [
     {name = "Dane Freeman", email = "dane.freeman@gtri.gatech.edu"},
diff --git a/yarn.lock b/yarn.lock
index baa8072..c86d745 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1931,12 +1931,11 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/react@file:./scripts/not-a-package::locator=%40jupyrdf%2Fjupyter-elk%40workspace%3A.":
-  version: 0.0.0
-  resolution: "@types/react@file:./scripts/not-a-package#./scripts/not-a-package::hash=b79066&locator=%40jupyrdf%2Fjupyter-elk%40workspace%3A."
-  checksum: dcc19ae2232d5c05699eadbc5baac3b547e2ee5263573633c7df281ec9943cef2b4b893ae3056582a05a52032d4fccb0ea2cf07ff9fc923855606f11d8806bc0
+"@types/react@link:./scripts/not-a-package::locator=%40jupyrdf%2Fjupyter-elk%40workspace%3A.":
+  version: 0.0.0-use.local
+  resolution: "@types/react@link:./scripts/not-a-package::locator=%40jupyrdf%2Fjupyter-elk%40workspace%3A."
   languageName: node
-  linkType: hard
+  linkType: soft
 
 "@types/responselike@npm:^1.0.0":
   version: 1.0.3