diff --git a/Makefile b/Makefile
index a122b371..cd493f4d 100644
--- a/Makefile
+++ b/Makefile
@@ -27,14 +27,14 @@ DIST_DIR = ./dist
 SITE_DIR = ./site
 SHINYLIVE_DIR = ./_shinylive
 
-# Read htmltools and shiny versions from the package code. It's done with grep
-# because if we try to load the package and read shiny.__version__, it requires
-# the packages to be loadable first, which isn't possible without their
-# dependencies being installed first.
-HTMLTOOLS_VERSION = $(shell grep '^__version__ = ' $(PACKAGE_DIR)/py-htmltools/htmltools/__init__.py | sed -E -e 's/^__version__ = "(.*)"/\1/')
-SHINY_VERSION = $(shell grep '^__version__ = ' $(PACKAGE_DIR)/py-shiny/shiny/_version.py | sed -E "s/.*['\"]([^'\"]+)['\"]/\1/")
-SHINYWIDGETS_VERSION = $(shell grep '^__version__ = ' $(PACKAGE_DIR)/py-shinywidgets/shinywidgets/__init__.py | sed -E -e 's/^__version__ = "(.*)"/\1/')
-FAICONS_VERSION = $(shell grep '^__version__ = ' $(PACKAGE_DIR)/py-faicons/faicons/__init__.py | sed -E -e 's/^__version__ = "(.*)"/\1/')
+# Extract package versions by grepping source files. Each package may define
+# __version__ in __init__.py, _version.py, or __version.py (hatch-vcs).
+# We use a consistent helper that checks all three locations.
+_get_version = $(shell grep '^__version__ = ' $(1)/__version.py $(1)/__init__.py $(1)/_version.py 2>/dev/null | head -1 | sed -E "s/.*['\"]([^'\"]+)['\"]/\1/")
+HTMLTOOLS_VERSION = $(call _get_version,$(PACKAGE_DIR)/py-htmltools/htmltools)
+SHINY_VERSION = $(call _get_version,$(PACKAGE_DIR)/py-shiny/shiny)
+SHINYWIDGETS_VERSION = $(call _get_version,$(PACKAGE_DIR)/py-shinywidgets/shinywidgets)
+FAICONS_VERSION = $(call _get_version,$(PACKAGE_DIR)/py-faicons/faicons)
 
 HTMLTOOLS_WHEEL = htmltools-$(HTMLTOOLS_VERSION)-py3-none-any.whl
 SHINY_WHEEL = shiny-$(SHINY_VERSION)-py3-none-any.whl
@@ -274,23 +274,22 @@ package-faicons: $(PACKAGE_DIR)/$(FAICONS_WHEEL)
 $(PACKAGE_DIR)/$(HTMLTOOLS_WHEEL): $(PYBIN) $(PACKAGE_DIR)/py-htmltools
 	# Remove any old copies of the package
 	rm -f $(PACKAGE_DIR)/htmltools*.whl
-	$(PYBIN)/pip install -e $(PACKAGE_DIR)/py-htmltools[dev]
-	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-htmltools && make install && mv dist/*.whl ../
+	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-htmltools && pip wheel --no-deps -w ../  .
 
 $(PACKAGE_DIR)/$(SHINY_WHEEL): $(PYBIN) $(PACKAGE_DIR)/py-shiny
 	# Remove any old copies of the package
 	rm -f $(PACKAGE_DIR)/shiny*.whl
-	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-shiny && make install && mv dist/*.whl ../
+	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-shiny && pip wheel --no-deps -w ../ .
 
 $(PACKAGE_DIR)/$(SHINYWIDGETS_WHEEL): $(PYBIN) $(PACKAGE_DIR)/py-shinywidgets
 	# Remove any old copies of the package
 	rm -f $(PACKAGE_DIR)/shinywidgets*.whl
-	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-shinywidgets && make install && mv dist/*.whl ../
+	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-shinywidgets && pip wheel --no-deps -w ../ .
 
 $(PACKAGE_DIR)/$(FAICONS_WHEEL): $(PYBIN) $(PACKAGE_DIR)/py-faicons
 	# Remove any old copies of the package
 	rm -f $(PACKAGE_DIR)/faicons*.whl
-	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-faicons && make install && mv dist/*.whl ../
+	. $(PYBIN)/activate && cd $(PACKAGE_DIR)/py-faicons && pip wheel --no-deps -w ../ .
 
 $(PACKAGE_DIR)/$(LIBSASS_WHEEL): $(PYBIN) $(PACKAGE_DIR)/$(LIBSASS_WHEEL)
 	rm -f $(PACKAGE_DIR)/libsass*.whl
diff --git a/package-lock.json b/package-lock.json
index fdfd76a3..b5d7d541 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "shinylive",
-  "version": "0.10.7",
+  "version": "0.10.9",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "shinylive",
-      "version": "0.10.7",
+      "version": "0.10.9",
       "license": "MIT",
       "devDependencies": {
         "@codemirror/autocomplete": "^6.4.2",
diff --git a/package.json b/package.json
index fd923995..21e60f27 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "shinylive",
-  "version": "0.10.8",
+  "version": "0.10.9",
   "description": "Run Shiny applications with R or Python running in the browser.",
   "main": "index.js",
   "repository": {
diff --git a/packages/py-htmltools b/packages/py-htmltools
index e2df351e..0e6f479a 160000
--- a/packages/py-htmltools
+++ b/packages/py-htmltools
@@ -1 +1 @@
-Subproject commit e2df351e47aa68688599c2a9130ea80fbb646574
+Subproject commit 0e6f479a7ca3cdaf27be425e2fc29399cac682f5
diff --git a/packages/py-shiny b/packages/py-shiny
index 75a39675..5a6f254c 160000
--- a/packages/py-shiny
+++ b/packages/py-shiny
@@ -1 +1 @@
-Subproject commit 75a396750c0fc583a48f1a95319fe4a500032390
+Subproject commit 5a6f254ca42c731bc306fae29d6c7dfc355a3271
diff --git a/packages/py-shinywidgets b/packages/py-shinywidgets
index c46111f6..83932fb5 160000
--- a/packages/py-shinywidgets
+++ b/packages/py-shinywidgets
@@ -1 +1 @@
-Subproject commit c46111f610d4062fe0a564873fa9b122bfba89cd
+Subproject commit 83932fb557f66f2d4a4c9734df0a6e61667776e6
diff --git a/shinylive_lock.json b/shinylive_lock.json
index 52dcf7c3..7c5f7971 100644
--- a/shinylive_lock.json
+++ b/shinylive_lock.json
@@ -1,8 +1,8 @@
 {
   "htmltools": {
     "name": "htmltools",
-    "version": "0.6.0",
-    "filename": "htmltools-0.6.0-py3-none-any.whl",
+    "version": "0.6.1",
+    "filename": "htmltools-0.6.1-py3-none-any.whl",
     "sha256": null,
     "url": null,
     "depends": [
@@ -15,8 +15,8 @@
   },
   "shiny": {
     "name": "shiny",
-    "version": "1.6.0",
-    "filename": "shiny-1.6.0-py3-none-any.whl",
+    "version": "1.6.1",
+    "filename": "shiny-1.6.1-py3-none-any.whl",
     "sha256": null,
     "url": null,
     "depends": [
@@ -40,16 +40,16 @@
   },
   "shinywidgets": {
     "name": "shinywidgets",
-    "version": "0.5.2",
-    "filename": "shinywidgets-0.5.2-py3-none-any.whl",
+    "version": "0.8.0",
+    "filename": "shinywidgets-0.8.0-py3-none-any.whl",
     "sha256": null,
     "url": null,
     "depends": [
+      {"name": "anywidget", "specs": []},
       {"name": "ipywidgets", "specs": [[">=", "7.6.5"]]},
-      {"name": "jupyter_core", "specs": []},
-      {"name": "shiny", "specs": [[">=", "0.6.1.9005"]]},
+      {"name": "jupyter-core", "specs": []},
       {"name": "python-dateutil", "specs": [[">=", "2.8.2"]]},
-      {"name": "anywidget", "specs": []}
+      {"name": "shiny", "specs": [[">=", "0.6.1.9005"]]}
     ],
     "imports": [
       "shinywidgets"