diff --git a/Changelog.md b/Changelog.md
index c5bad5aaddac..4cfa4385bae5 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,4 +1,4 @@
-### 0.4.23 (unreleased)
+### 0.4.23 (2018-04-19)
 
 Features:
  * Build system: Support Ubuntu Bionic.
diff --git a/docs/bugs.json b/docs/bugs.json
index c642793a8c68..b464be18acac 100644
--- a/docs/bugs.json
+++ b/docs/bugs.json
@@ -1,4 +1,12 @@
 [
+    {
+        "name": "OneOfTwoConstructorsSkipped",
+        "summary": "If a contract has both a new-style constructor (using the constructor keyword) and an old-style constructor (a function with the same name as the contract) at the same time, one of them will be ignored.",
+        "description": "If a contract has both a new-style constructor (using the constructor keyword) and an old-style constructor (a function with the same name as the contract) at the same time, one of them will be ignored. There will be a compiler warning about the old-style constructor, so contracts only using new-style constructors are fine.",
+        "introduced": "0.4.22",
+        "fixed": "0.4.23",
+        "severity": "very low"
+    },
     {
         "name": "ZeroFunctionSelector",
         "summary": "It is possible to craft the name of a function such that it is executed instead of the fallback function in very specific circumstances.",
diff --git a/docs/bugs_by_version.json b/docs/bugs_by_version.json
index 32f305c854e4..d96bfde34616 100644
--- a/docs/bugs_by_version.json
+++ b/docs/bugs_by_version.json
@@ -423,9 +423,15 @@
         "released": "2018-03-07"
     }, 
     "0.4.22": {
-        "bugs": [], 
+        "bugs": [
+            "OneOfTwoConstructorsSkipped"
+        ], 
         "released": "2018-04-16"
     }, 
+    "0.4.23": {
+        "bugs": [], 
+        "released": "2018-04-19"
+    }, 
     "0.4.3": {
         "bugs": [
             "ZeroFunctionSelector", 
diff --git a/scripts/update_bugs_by_version.py b/scripts/update_bugs_by_version.py
index c4bc0c9bfe6b..cbedf1a55399 100755
--- a/scripts/update_bugs_by_version.py
+++ b/scripts/update_bugs_by_version.py
@@ -35,9 +35,9 @@ def comp(version_string):
             continue
         versions[v]['bugs'] += [bug['name']]
 
-with open(path + '/../docs/bugs_by_version.json', 'r+') as bugs_by_version:
+new_contents = json.dumps(versions, sort_keys=True, indent=4)
+with open(path + '/../docs/bugs_by_version.json', 'r') as bugs_by_version:
     old_contents = bugs_by_version.read()
-    new_contents = json.dumps(versions, sort_keys=True, indent=4)
-    bugs_by_version.seek(0)
+with open(path + '/../docs/bugs_by_version.json', 'w') as bugs_by_version:
     bugs_by_version.write(new_contents)
-    sys.exit(old_contents != new_contents)
\ No newline at end of file
+sys.exit(old_contents != new_contents)