diff --git a/doc/package.json b/doc/package.json
index 7de69848294..26ceb456f64 100644
--- a/doc/package.json
+++ b/doc/package.json
@@ -1,7 +1,7 @@
 {
   "devDependencies": {
-    "autoprefixer": "^10.4.27",
-    "postcss": "^8.5.8",
+    "autoprefixer": "^10.5.0",
+    "postcss": "^8.5.13",
     "postcss-cli": "^11.0.1"
   }
 }
diff --git a/lang/c++/include/avro/buffer/BufferReader.hh b/lang/c++/include/avro/buffer/BufferReader.hh
index 39b23fa7084..a08dc251207 100644
--- a/lang/c++/include/avro/buffer/BufferReader.hh
+++ b/lang/c++/include/avro/buffer/BufferReader.hh
@@ -20,6 +20,7 @@
 #define avro_BufferReader_hh__
 
 #include "Buffer.hh"
+#include <cstring>
 #include <type_traits>
 
 #ifdef min
@@ -233,7 +234,7 @@ private:
         }
 
         if (sizeof(T) <= chunkRemaining()) {
-            val = *(reinterpret_cast<const T *>(addr()));
+            memcpy(&val, addr(), sizeof(T));
             incrementChunk(sizeof(T));
         } else {
             read(reinterpret_cast<data_type *>(&val), sizeof(T));
diff --git a/lang/c++/include/avro/buffer/detail/BufferDetail.hh b/lang/c++/include/avro/buffer/detail/BufferDetail.hh
index 56e86c8a229..0e746ab721c 100644
--- a/lang/c++/include/avro/buffer/detail/BufferDetail.hh
+++ b/lang/c++/include/avro/buffer/detail/BufferDetail.hh
@@ -23,6 +23,7 @@
 #include <boost/asio/buffer.hpp>
 #endif
 #include <cassert>
+#include <cstring>
 #include <deque>
 #include <exception>
 #include <functional>
@@ -327,7 +328,7 @@ public:
         if (freeSpace_ && (sizeof(T) <= writeChunks_.front().freeSize())) {
             // fast path, there's enough room in the writeable chunk to just
             // straight out copy it
-            *(reinterpret_cast<T *>(writeChunks_.front().tellWritePos())) = val;
+            memcpy(writeChunks_.front().tellWritePos(), &val, sizeof(T));
             postWrite(sizeof(T));
         } else {
             // need to fixup chunks first, so use the regular memcpy
diff --git a/lang/csharp/src/apache/ipc/Avro.ipc.csproj b/lang/csharp/src/apache/ipc/Avro.ipc.csproj
index 8e082b67c76..587a14695b4 100644
--- a/lang/csharp/src/apache/ipc/Avro.ipc.csproj
+++ b/lang/csharp/src/apache/ipc/Avro.ipc.csproj
@@ -30,7 +30,7 @@
 
   <ItemGroup>
     <PackageReference Include="castle.core" Version="4.2.1" />
-    <PackageReference Include="log4net" Version="2.0.14" />
+    <PackageReference Include="log4net" Version="3.3.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/lang/csharp/src/apache/ipc/HttpListenerServer.cs b/lang/csharp/src/apache/ipc/HttpListenerServer.cs
index 9bd03d2975a..21d1759717c 100644
--- a/lang/csharp/src/apache/ipc/HttpListenerServer.cs
+++ b/lang/csharp/src/apache/ipc/HttpListenerServer.cs
@@ -77,7 +77,7 @@ protected void HttpListenerCallback(IAsyncResult result)
                 //    ExceptionHandler(ex, result);
                 //else
                 //    Debug.Print("Exception occured while processing a request, no exception handler was provided - ignoring", ex);
-                Debug.Print("Exception occured while processing a web request, skipping this request: ", ex);
+                Debug.Print("Exception occurred while processing a web request, skipping this request: ", ex);
             }
         }
 
diff --git a/lang/csharp/versions.props b/lang/csharp/versions.props
index cca47a76fed..7b6c257e54d 100644
--- a/lang/csharp/versions.props
+++ b/lang/csharp/versions.props
@@ -27,7 +27,7 @@
   -->
   <PropertyGroup Label="Latest Package Versions">
     <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
-    <SystemCodeDomVersion>10.0.5</SystemCodeDomVersion>
+    <SystemCodeDomVersion>10.0.7</SystemCodeDomVersion>
     <SystemReflectionVersion>4.3.0</SystemReflectionVersion>
     <SystemReflectionEmitILGenerationVersion>4.7.0</SystemReflectionEmitILGenerationVersion>
     <SystemReflectionEmitLightweightVersion>4.7.0</SystemReflectionEmitLightweightVersion>
@@ -59,8 +59,8 @@
   -->
   <PropertyGroup Label="Build, Test, Code Analysis, Benchmark Package Versions">
     <BenchmarkDotNetVersion>0.15.8</BenchmarkDotNetVersion>
-    <CoverletCollectorVersion>8.0.1</CoverletCollectorVersion>
-    <CoverletMSBuildVersion>8.0.1</CoverletMSBuildVersion>
+    <CoverletCollectorVersion>10.0.0</CoverletCollectorVersion>
+    <CoverletMSBuildVersion>10.0.0</CoverletMSBuildVersion>
     <MicrosoftBuildFrameworkVersion>18.4.0</MicrosoftBuildFrameworkVersion>
     <MicrosoftBuildUtilitiesCoreVersion>18.4.0</MicrosoftBuildUtilitiesCoreVersion>
     <MicrosoftCodeAnalysisVersion>4.7.0</MicrosoftCodeAnalysisVersion>
diff --git a/lang/java/pom.xml b/lang/java/pom.xml
index cc147c3f3b5..1cfd62943e8 100644
--- a/lang/java/pom.xml
+++ b/lang/java/pom.xml
@@ -37,18 +37,18 @@
     <main.basedir>${project.parent.basedir}</main.basedir>
 
     <!-- version properties for dependencies -->
-    <ant.version>1.10.16</ant.version>
+    <ant.version>1.10.17</ant.version>
     <commons-cli.version>1.11.0</commons-cli.version>
     <commons-compress.version>1.28.0</commons-compress.version>
     <commons-text.version>1.15.0</commons-text.version>
     <commons-lang3.version>3.20.0</commons-lang3.version>
-    <grpc.version>1.80.0</grpc.version>
+    <grpc.version>1.81.0</grpc.version>
     <hadoop.version>3.4.3</hadoop.version>
     <hamcrest.version>3.0</hamcrest.version>
-    <jackson-bom.version>2.21.2</jackson-bom.version>
+    <jackson-bom.version>2.21.3</jackson-bom.version>
     <jetty.version>9.4.58.v20250814</jetty.version>
     <jopt-simple.version>5.0.4</jopt-simple.version>
-    <junit5.version>5.14.3</junit5.version>
+    <junit5.version>5.14.4</junit5.version>
     <maven-core.version>3.9.6</maven-core.version>
     <mockito.version>5.23.0</mockito.version>
     <netty.version>4.2.12.Final</netty.version>
@@ -60,7 +60,7 @@
     <thrift.version>0.20.0</thrift.version>
     <tukaani.version>1.12</tukaani.version>
     <velocity.version>2.4.1</velocity.version>
-    <zstd-jni.version>1.5.7-7</zstd-jni.version>
+    <zstd-jni.version>1.5.7-8</zstd-jni.version>
     <!-- version properties for plugins -->
     <archetype-plugin.version>3.4.1</archetype-plugin.version>
     <bundle-plugin-version>6.0.2</bundle-plugin-version>
diff --git a/lang/py/avro/tether/tether_task.py b/lang/py/avro/tether/tether_task.py
index 6caac6abe90..37ce55fe31e 100644
--- a/lang/py/avro/tether/tether_task.py
+++ b/lang/py/avro/tether/tether_task.py
@@ -422,7 +422,7 @@ def fail(self, message):
         """
         Call to fail the task.
         """
-        self.log.error("TetherTask.fail: failure occured message follows:\n%s", message)
+        self.log.error("TetherTask.fail: failure occurred message follows:\n%s", message)
         try:
             message = message.decode()
         except AttributeError:
@@ -431,7 +431,7 @@ def fail(self, message):
         try:
             self.outputClient.request("fail", {"message": message})
         except Exception:
-            self.log.exception("TetherTask.fail: an exception occured while trying to send the fail message to the output server.")
+            self.log.exception("TetherTask.fail: an exception occurred while trying to send the fail message to the output server.")
 
         self.close()
 
diff --git a/lang/py/avro/tether/tether_task_runner.py b/lang/py/avro/tether/tether_task_runner.py
index 410f6c00e4c..f3328210c8b 100644
--- a/lang/py/avro/tether/tether_task_runner.py
+++ b/lang/py/avro/tether/tether_task_runner.py
@@ -67,7 +67,7 @@ def invoke(self, message, request):
                 try:
                     self.task.partitions = request["partitions"]
                 except Exception:
-                    self.log.error("Exception occured while processing the partitions message: Message:\n%s", traceback.format_exc())
+                    self.log.error("Exception occurred while processing the partitions message: Message:\n%s", traceback.format_exc())
                     raise
             elif message.name == "input":
                 self.log.info("TetherTaskRunner: Received input")
@@ -84,7 +84,7 @@ def invoke(self, message, request):
                 self.log.warning("TetherTaskRunner: Received unknown message %s", message.name)
 
         except Exception as e:
-            self.log.error("Error occured while processing message: %s", message.name)
+            self.log.error("Error occurred while processing message: %s", message.name)
             e = traceback.format_exc()
             self.task.fail(e)