diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 9a7a419c..ba744a30 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.8.3.dev0
+current_version = 0.8.3a1
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)a(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/py5_jar/.project b/py5_jar/.project
index ac6eb5fe..2ab37fdb 100644
--- a/py5_jar/.project
+++ b/py5_jar/.project
@@ -16,12 +16,12 @@
 	</natures>
 	<filteredResources>
 		<filter>
-			<id>1599075320853</id>
+			<id>1664814897010</id>
 			<name></name>
 			<type>30</type>
 			<matcher>
 				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
 			</matcher>
 		</filter>
 	</filteredResources>
diff --git a/py5_resources/py5_module/py5/__init__.py b/py5_resources/py5_module/py5/__init__.py
index dd4a455b..7eaf69d0 100644
--- a/py5_resources/py5_module/py5/__init__.py
+++ b/py5_resources/py5_module/py5/__init__.py
@@ -82,7 +82,7 @@
     pass
 
 
-__version__ = '0.8.3.dev0'
+__version__ = '0.8.3a1'
 
 _PY5_USE_IMPORTED_MODE = py5_tools.get_imported_mode()
 py5_tools._lock_imported_mode()
diff --git a/py5_resources/py5_module/py5_tools/__init__.py b/py5_resources/py5_module/py5_tools/__init__.py
index 541cbc11..cee306bd 100644
--- a/py5_resources/py5_module/py5_tools/__init__.py
+++ b/py5_resources/py5_module/py5_tools/__init__.py
@@ -28,4 +28,4 @@
 from . import translators  # noqa
 
 
-__version__ = '0.8.3.dev0'
+__version__ = '0.8.3a1'
diff --git a/py5_resources/py5_module/py5_tools/kernel/kernel.py b/py5_resources/py5_module/py5_tools/kernel/kernel.py
index 4657135a..92f12791 100644
--- a/py5_resources/py5_module/py5_tools/kernel/kernel.py
+++ b/py5_resources/py5_module/py5_tools/kernel/kernel.py
@@ -78,7 +78,7 @@ class Py5Kernel(IPythonKernel):
                        *_PY5_HELP_LINKS]).tag(config=True)
 
     implementation = 'py5'
-    implementation_version = '0.8.3.dev0'
+    implementation_version = '0.8.3a1'
 
 
 class Py5App(IPKernelApp):
diff --git a/py5_resources/py5_module/py5_tools/py5bot/kernel.py b/py5_resources/py5_module/py5_tools/py5bot/kernel.py
index 42ff091b..037c4db2 100644
--- a/py5_resources/py5_module/py5_tools/py5bot/kernel.py
+++ b/py5_resources/py5_module/py5_tools/py5bot/kernel.py
@@ -71,7 +71,7 @@ class Py5BotKernel(Py5Kernel):
     shell_class = Type(Py5BotShell)
 
     implementation = 'py5bot'
-    implementation_version = '0.8.3.dev0'
+    implementation_version = '0.8.3a1'
 
 
 class Py5BotApp(IPKernelApp):
diff --git a/py5_resources/py5_module/py5_tools/utilities.py b/py5_resources/py5_module/py5_tools/utilities.py
index 1dfdb164..e38b097d 100644
--- a/py5_resources/py5_module/py5_tools/utilities.py
+++ b/py5_resources/py5_module/py5_tools/utilities.py
@@ -59,21 +59,21 @@
     <dependency>
       <groupId>py5</groupId>
       <artifactId>py5-processing4</artifactId>
-      <version>0.8.3.dev0</version>
+      <version>0.8.3a1</version>
       <scope>system</scope>
       <systemPath>$${{jarlocation}}/core.jar</systemPath>
     </dependency>
     <dependency>
       <groupId>py5</groupId>
       <artifactId>py5-jogl</artifactId>
-      <version>0.8.3.dev0</version>
+      <version>0.8.3a1</version>
       <scope>system</scope>
       <systemPath>$${{jarlocation}}/jogl-all.jar</systemPath>
     </dependency>
     <dependency>
       <groupId>py5</groupId>
       <artifactId>py5</artifactId>
-      <version>0.8.3.dev0</version>
+      <version>0.8.3a1</version>
       <scope>system</scope>
       <systemPath>$${{jarlocation}}/py5.jar</systemPath>
     </dependency>
diff --git a/py5_resources/py5_module/setup.py b/py5_resources/py5_module/setup.py
index ad0ff031..f725a1ad 100644
--- a/py5_resources/py5_module/setup.py
+++ b/py5_resources/py5_module/setup.py
@@ -23,7 +23,7 @@
 with open('README.md') as f:
     README = f.read()
 
-VERSION = '0.8.3.dev0'
+VERSION = '0.8.3a1'
 
 INSTALL_REQUIRES = [
     'autopep8>=1.5',