diff --git a/mingw-w64-docbook-mathml/PKGBUILD b/mingw-w64-docbook-mathml/PKGBUILD
index c0da140775..f4073f8d1d 100644
--- a/mingw-w64-docbook-mathml/PKGBUILD
+++ b/mingw-w64-docbook-mathml/PKGBUILD
@@ -8,13 +8,13 @@ pkgver=1.1CR1
 pkgrel=1
 pkgdesc="MathML XML scheme (mingw-w64)"
 arch=('any')
-url="http://www.oasis-open.org/docbook/"
+url="https://www.oasis-open.org/docbook/"
 license=('MIT')
 depends=("${MINGW_PACKAGE_PREFIX}-libxml2")
 install=docbook-mathml-${CARCH}.install
 source=("http://www.docbook.org/xml/mathml/${pkgver}/dbmathml.dtd" 'LICENSE')
-md5sums=('bbf92a1d88ce217d736c222470d6811c'
-         '78ef5b09cdf606e14f1b04380929abe7')
+sha256sums=('70da7140035621330f1b5ab6926197c3c3af467f2207d55a41f6396d9ad96abd'
+            '276a366862b4c9f5d3b0f5796d49b09542bb2699f1282c0a15cdbda4cfe725dc')
 
 package() {
   install -D -m644 dbmathml.dtd "${pkgdir}${MINGW_PREFIX}/share/xml/docbook/mathml/${pkgver}/dbmathml.dtd"
diff --git a/mingw-w64-ghc/PKGBUILD b/mingw-w64-ghc/PKGBUILD
index eb9c2304a3..ec145ab207 100644
--- a/mingw-w64-ghc/PKGBUILD
+++ b/mingw-w64-ghc/PKGBUILD
@@ -7,7 +7,7 @@ pkgver=8.0.1
 pkgrel=1
 pkgdesc='The Glorious Glasgow Haskell Compilation System'
 arch=('any')
-url='http://www.haskell.org/ghc/'
+url='https://www.haskell.org/ghc/'
 license=('The Glasgow Haskell Compiler License')
 depends=("${MINGW_PACKAGE_PREFIX}-binutils"
          "${MINGW_PACKAGE_PREFIX}-crt-git"
@@ -25,8 +25,8 @@ depends=("${MINGW_PACKAGE_PREFIX}-binutils"
 makedepends=('perl' 'unzip') #"${MINGW_PACKAGE_PREFIX}-python3-sphinx")
 optdepends=("${MINGW_PACKAGE_PREFIX}-llvm: using LLVM as backend")
 source=(
-  "http://downloads.haskell.org/~ghc/$pkgver/ghc-$pkgver-src.tar.xz"
-  "http://downloads.haskell.org/~ghc/$pkgver/ghc-$pkgver-testsuite.tar.xz"
+  "https://downloads.haskell.org/~ghc/$pkgver/ghc-$pkgver-src.tar.xz"
+  "https://downloads.haskell.org/~ghc/$pkgver/ghc-$pkgver-testsuite.tar.xz"
   'build.mk'
   '0001-Rework-CC-CC_STAGE0-handling-in-configure.ac.patch'
   '0001-Add-Windows-import-library-support-to-the-Runtime-Li.patch'
@@ -47,7 +47,7 @@ prepare() {
   fi
   mkdir -p host
   curl -LO "https://www.haskell.org/cabal/release/cabal-install-1.24.0.0/cabal-install-1.24.0.0-$SYST-unknown-mingw32.zip"
-  curl -L "http://downloads.haskell.org/~${_realname}/$pkgver/${_realname}-$pkgver-$SYST-unknown-mingw32.tar.xz" | tar -Jx --strip-components=1 --directory=host
+  curl -L "https://downloads.haskell.org/~${_realname}/$pkgver/${_realname}-$pkgver-$SYST-unknown-mingw32.tar.xz" | tar -Jx --strip-components=1 --directory=host
   unzip -o cabal-install-1.24.0.0-$SYST-unknown-mingw32.zip -d host/bin
   export PATH=$srcdir/host/bin:$PATH
   cabal update
@@ -90,16 +90,16 @@ package() {
   mv bindistprep/${_realname}-$pkgver "$pkgdir"${MINGW_PREFIX}
 }
 
-md5sums=('c185b8a1f3e67e43533ec590b751c2ff'
-         '289e4b030a3e36cdcae7d35553a1c658'
-         '042f4e2df7ebc1e2c6da15539158f4fc'
-         'b68f5887575becd05feb010211a95164'
-         '9420b494411a3e9faf743102fcff528b'
-         '505e49f6ce1c89b7ae1b5d7233762567'
-         '3c094d3c1a49de3c0eb3398733bb001c'
-         '82ef617a59ec0e536e3e428aba9e7557'
-         'e25a592304825be687b645049eba3bc5'
-         '3db250cba393fdd3713c422a815e7d85'
-         '769794184c2e50cb36cadcddc8b4f906'
-         '08f498c8ec46c1e9d0afb645c1bdc104'
-         'ac49ab508c167c6fe1b548fcd6e2398e')
+sha256sums=('90fb20cd8712e3c0fbeb2eac8dab6894404c21569746655b9b12ca9684c7d1d2'
+            'bc57163656ece462ef61072559d491b72c5cdd694f3c39b80ac0f6b9a3dc8151'
+            'c4284efe02de55fbd3dedadb785ad977d123a7e257ef3d77d33ee0a127e9248d'
+            'b8e404b55f40bccf60a5bf93108ee845197cf4857f106018aea1c8c841ed2e14'
+            '5a6d3fe2ab4c49d8b1921e139907373fd93925fcfbe16d282f1735988831a07a'
+            '6d910a567732fcbc808d20ff17a8d7a1ead6a634d341810887fe45a217709714'
+            '7f8ace437031139aaab620b6fa2fb3420aeeecb46c154751283453a3842b6b82'
+            '36099d0e80c89eae3c79ac94e59286548802d911ed41a6cc489d233af1268088'
+            'b99ebe964d7d01cd2a4167e353a29e00d3fb0705ecca39f6d2e36b10e4d5bda0'
+            '614594d5d3c5a4917b68a2ac144a4f41f02afbb456e830fd49d3b307e8d49507'
+            'b11e174202e36b74dcd8d27ebc158604c902bfbdef3e470dd234fc8250c2d27a'
+            '039f7bf52e229ecf70f9b50819d29593ab65b5e932bc26911234cf56b3336d1d'
+            '53ecc3a9cbc8cda17e0f37c7ecba0878c8a512aa1735c72a2da49aa76dcf6508')
diff --git a/mingw-w64-python-distutils-extra/PKGBUILD b/mingw-w64-python-distutils-extra/PKGBUILD
index 86f82b0aad..d29c5362b4 100644
--- a/mingw-w64-python-distutils-extra/PKGBUILD
+++ b/mingw-w64-python-distutils-extra/PKGBUILD
@@ -13,8 +13,8 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-python3-setuptools" "${MINGW_PACKAGE_PREFI
 source=("https://launchpad.net/${_realname}/trunk/$pkgver/+download/${_realname}-$pkgver.tar.gz"
         "https://launchpad.net/${_realname}/trunk/$pkgver/+download/${_realname}-$pkgver.tar.gz.asc")
 validpgpkeys=("3DB46B55EFA59D40E6232148D14EF15DAFE11347") # Martin Pitt <martinpitt@gnome.org>
-md5sums=('16e06db0ef73a35b4bff4b9eed5699b5'
-         'SKIP')
+sha256sums=('723f24f4d65fc8d99b33a002fbbb3771d4cc9d664c97085bf37f3997ae8063af'
+            'SKIP')
 
 prepare() {
   cd "$srcdir"/
diff --git a/mingw-w64-python-ipykernel/PKGBUILD b/mingw-w64-python-ipykernel/PKGBUILD
index 653166d83b..f9f1933d36 100644
--- a/mingw-w64-python-ipykernel/PKGBUILD
+++ b/mingw-w64-python-ipykernel/PKGBUILD
@@ -7,13 +7,13 @@ pkgver=4.3.1
 pkgrel=1
 pkgdesc="The ipython kernel for Jupyter (mingw-w64)"
 arch=('any')
-url="http://ipython.org"
+url="https://ipython.org/"
 license=('BSD')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tar.gz::https://github.com/ipython/${_realname}/archive/${pkgver}.tar.gz")
-md5sums=('971eee85d630eb4bafcd52531c79673f')
+sha256sums=('f38b366053567c36464ae6d04d72ed72d74f77e63d49a6fa38826278ed7848fd')
 
 prepare() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-python-ipython_genutils/PKGBUILD b/mingw-w64-python-ipython_genutils/PKGBUILD
index d03743206f..8d91389764 100644
--- a/mingw-w64-python-ipython_genutils/PKGBUILD
+++ b/mingw-w64-python-ipython_genutils/PKGBUILD
@@ -17,7 +17,7 @@ makedepends=(
   "${MINGW_PACKAGE_PREFIX}-python2-setuptools"
 )
 source=(${_realname}-${pkgver}.tar.gz::https://github.com/ipython/${_realname}/archive/${pkgver}.tar.gz)
-md5sums=('2016819d42d8b186aad1eaed2d11b4d2')
+sha256sums=('34803f408a7681ebe13282f95806293029b502c9c1e17b2e5f517f8d1b1275f6')
 
 
 prepare() {
diff --git a/mingw-w64-python-jsonschema/PKGBUILD b/mingw-w64-python-jsonschema/PKGBUILD
index a622b2d993..85c53b676f 100644
--- a/mingw-w64-python-jsonschema/PKGBUILD
+++ b/mingw-w64-python-jsonschema/PKGBUILD
@@ -6,13 +6,13 @@ pkgver=2.5.1
 pkgrel=1
 pkgdesc="An implementation of JSON Schema validation for Python (mingw-w64)"
 arch=('any')
-url="http://pypi.python.org/pypi/jsonschema"
+url="https://pypi.python.org/pypi/jsonschema"
 license=('MIT')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
-source=("http://pypi.python.org/packages/source/j/jsonschema/jsonschema-$pkgver.tar.gz")
-md5sums=('374e848fdb69a3ce8b7e778b47c30640')
+source=("https://pypi.python.org/packages/source/j/jsonschema/jsonschema-$pkgver.tar.gz")
+sha256sums=('36673ac378feed3daa5956276a829699056523d7961027911f064b52255ead41')
 
 all_build() {
   cd "${srcdir}/jsonschema-${pkgver}"
diff --git a/mingw-w64-python-jupyter_client/PKGBUILD b/mingw-w64-python-jupyter_client/PKGBUILD
index df0732fa8a..061132a6de 100644
--- a/mingw-w64-python-jupyter_client/PKGBUILD
+++ b/mingw-w64-python-jupyter_client/PKGBUILD
@@ -7,13 +7,13 @@ pkgver=4.3.0
 pkgrel=2
 pkgdesc="The reference implementation of the Jupyter protocol. (mingw-w64)"
 arch=('any')
-url="http://jupyter.org/"
+url="https://jupyter.org/"
 license=('BSD')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tgz::https://github.com/jupyter/jupyter_client/archive/${pkgver}.tar.gz")
-md5sums=('257d9f5429dac4d9511db84d201d3a9e')
+sha256sums=('90b6ea3ced910ed94c5d558373490a81b33c672d877c1ffdc76b281e3216f1f6')
 
 all_build() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-python-jupyter_console/PKGBUILD b/mingw-w64-python-jupyter_console/PKGBUILD
index fe13a78992..6090dd2ca9 100644
--- a/mingw-w64-python-jupyter_console/PKGBUILD
+++ b/mingw-w64-python-jupyter_console/PKGBUILD
@@ -7,13 +7,13 @@ pkgver=5.0.0
 pkgrel=1
 pkgdesc="A terminal-based console frontend for Jupyter kernels. (mingw-w64)"
 arch=('any')
-url="http://jupyter.org/"
+url="https://jupyter.org/"
 license=('BSD')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tgz::https://github.com/jupyter/jupyter_console/archive/${pkgver}.tar.gz")
-md5sums=('08a9fde32a45c9e2e0b4cec6eca249c2')
+sha256sums=('e966b2b5bf9a1e8c5bd11a6335bb11f68ec585ea39b801721b2ed9dd964468fa')
 
 all_build() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-python-jupyter_core/PKGBUILD b/mingw-w64-python-jupyter_core/PKGBUILD
index d7e8421b88..1bc7cf4ca3 100644
--- a/mingw-w64-python-jupyter_core/PKGBUILD
+++ b/mingw-w64-python-jupyter_core/PKGBUILD
@@ -7,13 +7,13 @@ pkgver=4.1.0
 pkgrel=1
 pkgdesc="Core common functionality of Jupyter projects. (mingw-w64)"
 arch=('any')
-url="http://jupyter.org/"
+url="https://jupyter.org/"
 license=('BSD')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tgz::https://github.com/jupyter/jupyter_core/archive/${pkgver}.tar.gz")
-md5sums=('b7e928f965f68aef13fea1bf9d6384aa')
+sha256sums=('80b78d215399760f4678cc1512118257543e17b48316254d1e1dbddfafa2dffc')
 
 all_build() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-python-mistune/PKGBUILD b/mingw-w64-python-mistune/PKGBUILD
index 869a6dced7..2eef2423a3 100644
--- a/mingw-w64-python-mistune/PKGBUILD
+++ b/mingw-w64-python-mistune/PKGBUILD
@@ -13,7 +13,7 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tar.gz::https://github.com/lepture/mistune/archive/v${pkgver}.tar.gz")
-md5sums=('798a72534237c25e6349d24652d0a6bc')
+sha256sums=('a3fe17dfad99bd353485879a5c05827dd2932219da8b078212a21797f6cdbf0b')
 
 all_build() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-python-qtconsole/PKGBUILD b/mingw-w64-python-qtconsole/PKGBUILD
index a029967b32..d154017f56 100644
--- a/mingw-w64-python-qtconsole/PKGBUILD
+++ b/mingw-w64-python-qtconsole/PKGBUILD
@@ -7,13 +7,13 @@ pkgver=4.2.1
 pkgrel=1
 pkgdesc="A rich Qt-based console for working with Jupyter kernels, supporting rich media output, session export, and more. (mingw-w64)"
 arch=('any')
-url="http://jupyter.org/"
+url="https://jupyter.org/"
 license=('BSD')
 makedepends=("${MINGW_PACKAGE_PREFIX}-python2-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python3-setuptools")
 
 source=("${_realname}-${pkgver}.tgz::https://github.com/jupyter/qtconsole/archive/${pkgver}.tar.gz")
-md5sums=('97a3e29cd69bc0270411b313c907c173')
+sha256sums=('9286f09737aeb2e6a08c790477a7731fda3c4ca992ffc6cc092d2cf18fcf57cc')
 
 all_build() {
   cd "${srcdir}/${_realname}-${pkgver}"
diff --git a/mingw-w64-verilator/PKGBUILD b/mingw-w64-verilator/PKGBUILD
index 33eaa8706c..af6e2931e1 100644
--- a/mingw-w64-verilator/PKGBUILD
+++ b/mingw-w64-verilator/PKGBUILD
@@ -5,21 +5,21 @@ pkgver=3.900
 pkgrel=1
 pkgdesc="The fastest free Verilog HDL simulator (mingw-w64)"
 arch=('any')
-url="http://www.veripool.org/projects/verilator/wiki/Intro"
+url="https://www.veripool.org/projects/verilator/wiki/Intro"
 license=("LGPL")
 makedepends=("${MINGW_PACKAGE_PREFIX}-gcc" "flex")
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
 
-source=("http://www.veripool.org/ftp/${_realname}-${pkgver}.tgz")
-md5sums=('5e2cacafdbf6d8d6af02bb94af868490')
+source=("https://www.veripool.org/ftp/${_realname}-${pkgver}.tgz")
+sha256sums=('4be851e66179b405410782887e4121db7c6e8a7614a8066f353c36edd98a6b7b')
 
 build() {
   [[ -d "build-${MINGW_CHOST}" ]] && rm -rf "build-${MINGW_CHOST}"
   mv "verilator-${pkgver}" "build-${MINGW_CHOST}"
   cd "build-${MINGW_CHOST}"
-	
+
   cp /usr/include/FlexLexer.h src/
-	
+
   ./configure \
     --prefix=${MINGW_PREFIX} \
     --build=${MINGW_CHOST} \