diff --git a/Dockerfile.arch b/Dockerfile.arch
index 1cd4cd03..183e9f8d 100644
--- a/Dockerfile.arch
+++ b/Dockerfile.arch
@@ -53,7 +53,7 @@ RUN pacman -U --noconfirm libstrophe-git/libstrophe-git-*.pkg.tar.zst
 RUN pacman -U --noconfirm libsignal-protocol-c/libsignal-protocol-c-*.pkg.tar.zst
 
 WORKDIR /usr/src
-RUN git clone git://github.com/boothj5/stabber.git
+RUN git clone https://github.com/boothj5/stabber
 
 WORKDIR /usr/src/stabber
 RUN ./bootstrap.sh
diff --git a/Dockerfile.debian b/Dockerfile.debian
index 2d85ff43..9f110d2b 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -32,8 +32,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN mkdir -p /usr/src/{stabber,libstrophe,profanity}
 WORKDIR /usr/src
 
-RUN git clone git://github.com/boothj5/stabber.git
-RUN git clone git://github.com/strophe/libstrophe.git
+RUN git clone https://github.com/boothj5/stabber
+RUN git clone https://github.com/strophe/libstrophe
 
 WORKDIR /usr/src/stabber
 RUN ./bootstrap.sh
diff --git a/Dockerfile.fedora b/Dockerfile.fedora
index 4a49cc0f..043beb08 100644
--- a/Dockerfile.fedora
+++ b/Dockerfile.fedora
@@ -45,7 +45,7 @@ RUN mkdir -p /usr/src
 WORKDIR /usr/src
 
 RUN mkdir -p /usr/src/stabber
-RUN git clone git://github.com/boothj5/stabber.git
+RUN git clone https://github.com/boothj5/stabber
 WORKDIR /usr/src/stabber
 RUN ./bootstrap.sh
 RUN ./configure --prefix=/usr --disable-dependency-tracking
@@ -54,7 +54,7 @@ RUN make install
 
 WORKDIR /usr/src
 RUN mkdir -p /usr/src/libstrophe
-RUN git clone git://github.com/strophe/libstrophe.git
+RUN git clone https://github.com/strophe/libstrophe
 WORKDIR /usr/src/libstrophe
 RUN ./bootstrap.sh
 RUN ./configure --prefix=/usr
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 9686084f..125b33a1 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -33,8 +33,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN mkdir -p /usr/src/{stabber,libstrophe,profanity}
 WORKDIR /usr/src
 
-RUN git clone git://github.com/boothj5/stabber.git
-RUN git clone git://github.com/strophe/libstrophe.git
+RUN git clone https://github.com/boothj5/stabber
+RUN git clone https://github.com/strophe/libstrophe
 
 # TODO: Re-enable once libmicrohttpd-dev has been updated.
 #WORKDIR /usr/src/stabber