diff --git a/build.ps1 b/build.ps1
index 3d127a39..907144ad 100644
--- a/build.ps1
+++ b/build.ps1
@@ -93,7 +93,7 @@ New-Item -ItemType Directory .\dist
 # lxml expects iconv to be called iconv, not libiconv
 Dir $iconvLib\libiconv* | Copy-Item -Force -Destination {Join-Path $iconvLib ($_.Name -replace "libiconv","iconv") }
 
-BundleRelease "iconv-1.14.$distname" (dir $iconvLib\iconv_a*) (dir $iconvInc\*)
-BundleRelease "libxml2-2.9.12-1.$distname" (dir $xmlLib\*) (Get-Item $xmlInc\libxml)
-BundleRelease "libxslt-1.1.34.$distname" (dir .\libxslt\win32\bin.msvc\*) (Get-Item .\libxslt\libxslt,.\libxslt\libexslt)
+BundleRelease "iconv-1.16.$distname" (dir $iconvLib\iconv_a*) (dir $iconvInc\*)
+BundleRelease "libxml2-2.10.3.$distname" (dir $xmlLib\*) (Get-Item $xmlInc\libxml)
+BundleRelease "libxslt-1.1.37.$distname" (dir .\libxslt\win32\bin.msvc\*) (Get-Item .\libxslt\libxslt,.\libxslt\libexslt)
 BundleRelease "zlib-1.2.12.$distname" (Get-Item .\zlib\*.*) (Get-Item .\zlib\zconf.h,.\zlib\zlib.h)
diff --git a/libiconv b/libiconv
index d70c3d8d..671c5f4f 160000
--- a/libiconv
+++ b/libiconv
@@ -1 +1 @@
-Subproject commit d70c3d8d9dca0bc8c4b13097a215ac63d8402945
+Subproject commit 671c5f4f597c86700ac20071229fbcca1b7756a2
diff --git a/libxml2 b/libxml2
index 6a6690cc..599ae13f 160000
--- a/libxml2
+++ b/libxml2
@@ -1 +1 @@
-Subproject commit 6a6690cc9ed122b1e7a6385415e0859db93a0b43
+Subproject commit 599ae13f0f654962eb5db9158eafb3e1f431b07e
diff --git a/libxslt b/libxslt
index e4c4ac6f..e42a877b 160000
--- a/libxslt
+++ b/libxslt
@@ -1 +1 @@
-Subproject commit e4c4ac6fea81c758f0c8669ae57c40b780d15398
+Subproject commit e42a877b0573979baf697ced22a6f49ee80df291