diff --git a/OpenRA.Platforms.Default/OpenRA.Platforms.Default.dll.config b/OpenRA.Platforms.Default/OpenRA.Platforms.Default.dll.config
index 32a7cfd944..7f03455a06 100644
--- a/OpenRA.Platforms.Default/OpenRA.Platforms.Default.dll.config
+++ b/OpenRA.Platforms.Default/OpenRA.Platforms.Default.dll.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <configuration>
-	<dllmap dll="freetype6" os="linux" target="libfreetype.so.6" />
+	<dllmap dll="freetype6" os="!windows" target="libfreetype.so.6" />
+	<dllmap dll="freetype6" os="openbsd" target="libfreetype.so" />
 	<dllmap dll="freetype6" os="osx" target="libfreetype.6.dylib" />
-	<dllmap dll="freetype6" os="freebsd" target="libfreetype.so.6" />
 </configuration>
diff --git a/thirdparty/Eluant.dll.config.in b/thirdparty/Eluant.dll.config.in
index 6c00f329f4..e51cdb1fca 100644
--- a/thirdparty/Eluant.dll.config.in
+++ b/thirdparty/Eluant.dll.config.in
@@ -1,3 +1,3 @@
 <configuration>
-  <dllmap os="linux" dll="lua51.dll" target="@LIBLUA51@" />
+  <dllmap dll="lua51.dll" target="@LIBLUA51@" />
 </configuration>
diff --git a/thirdparty/fetch-thirdparty-deps.ps1 b/thirdparty/fetch-thirdparty-deps.ps1
index 92119d9d5f..94bbacf004 100644
--- a/thirdparty/fetch-thirdparty-deps.ps1
+++ b/thirdparty/fetch-thirdparty-deps.ps1
@@ -117,14 +117,14 @@ if (!(Test-Path "SDL2-CS.dll"))
 {
 	echo "Fetching SDL2-CS from GitHub."
 	$target = Join-Path $pwd.ToString() "SDL2-CS.dll"
-	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/SDL2-CS/releases/download/20161223/SDL2-CS.dll", $target)
+	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/SDL2-CS/releases/download/20190907/SDL2-CS.dll", $target)
 }
 
 if (!(Test-Path "OpenAL-CS.dll"))
 {
 	echo "Fetching OpenAL-CS from GitHub."
 	$target = Join-Path $pwd.ToString() "OpenAL-CS.dll"
-	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/OpenAL-CS/releases/download/20180106/OpenAL-CS.dll", $target)
+	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/OpenAL-CS/releases/download/20190907/OpenAL-CS.dll", $target)
 }
 
 if (!(Test-Path "Eluant.dll"))
diff --git a/thirdparty/fetch-thirdparty-deps.sh b/thirdparty/fetch-thirdparty-deps.sh
index a3381520d2..4b2f5e9c1d 100755
--- a/thirdparty/fetch-thirdparty-deps.sh
+++ b/thirdparty/fetch-thirdparty-deps.sh
@@ -60,22 +60,22 @@ fi
 if [ ! -f SDL2-CS.dll ] || [ ! -f SDL2-CS.dll.config ]; then
 	echo "Fetching SDL2-CS from GitHub."
 	if command -v curl >/dev/null 2>&1; then
-		curl -s -L -O https://github.com/OpenRA/SDL2-CS/releases/download/20161223/SDL2-CS.dll
-		curl -s -L -O https://github.com/OpenRA/SDL2-CS/releases/download/20161223/SDL2-CS.dll.config
+		curl -s -L -O https://github.com/OpenRA/SDL2-CS/releases/download/20190907/SDL2-CS.dll
+		curl -s -L -O https://github.com/OpenRA/SDL2-CS/releases/download/20190907/SDL2-CS.dll.config
 	else
-		wget -cq https://github.com/OpenRA/SDL2-CS/releases/download/20161223/SDL2-CS.dll
-		wget -cq https://github.com/OpenRA/SDL2-CS/releases/download/20161223/SDL2-CS.dll.config
+		wget -cq https://github.com/OpenRA/SDL2-CS/releases/download/20190907/SDL2-CS.dll
+		wget -cq https://github.com/OpenRA/SDL2-CS/releases/download/20190907/SDL2-CS.dll.config
 	fi
 fi
 
 if [ ! -f OpenAL-CS.dll ] || [ ! -f OpenAL-CS.dll.config ]; then
 	echo "Fetching OpenAL-CS from GitHub."
 	if command -v curl >/dev/null 2>&1; then
-		curl -s -L -O https://github.com/OpenRA/OpenAL-CS/releases/download/20180106/OpenAL-CS.dll
-		curl -s -L -O https://github.com/OpenRA/OpenAL-CS/releases/download/20180106/OpenAL-CS.dll.config
+		curl -s -L -O https://github.com/OpenRA/OpenAL-CS/releases/download/20190907/OpenAL-CS.dll
+		curl -s -L -O https://github.com/OpenRA/OpenAL-CS/releases/download/20190907/OpenAL-CS.dll.config
 	else
-		wget -cq https://github.com/OpenRA/OpenAL-CS/releases/download/20180106/OpenAL-CS.dll
-		wget -cq https://github.com/OpenRA/OpenAL-CS/releases/download/20180106/OpenAL-CS.dll.config
+		wget -cq https://github.com/OpenRA/OpenAL-CS/releases/download/20190907/OpenAL-CS.dll
+		wget -cq https://github.com/OpenRA/OpenAL-CS/releases/download/20190907/OpenAL-CS.dll.config
 	fi
 fi