diff --git a/builder/Dockerfile b/builder/Dockerfile
deleted file mode 100644
index cd31a07..0000000
--- a/builder/Dockerfile
+++ /dev/null
@@ -1,19 +0,0 @@
-FROM circleci/golang:1.11.2
-
-RUN sudo apt-get update && sudo apt-get install -y \
-    libgtk-3-dev \
-    libpcsclite-dev \
-    libudev-dev \
-    libusb-1.0-0-dev \
-&& sudo rm -rf /var/lib/apt/lists/*
-
-RUN go get -u github.com/tcnksm/ghr \
-    && go get -u github.com/stevenmatthewt/semantics
-
-RUN curl -L -s https://github.com/golang/dep/releases/download/v0.5.0/dep-linux-amd64 -o /go/bin/dep \
-    && chmod +x /go/bin/dep
-
-RUN mkdir -p /go/src/github.com/mitchellh/gox
-RUN git clone --branch master https://github.com/mitchellh/gox.git /go/src/github.com/mitchellh/gox
-RUN cd /go/src/github.com/mitchellh/gox && git reset --hard 9cc487598128d0963ff9dcc51176e722788ec645
-RUN cd /go/src/github.com/mitchellh/gox && dep ensure && go install -v ./...
diff --git a/builder2/Dockerfile b/builder2/Dockerfile
index 1a6961c..f15692e 100644
--- a/builder2/Dockerfile
+++ b/builder2/Dockerfile
@@ -1,9 +1,9 @@
-FROM fedora:36
+FROM fedora:42
 
 RUN dnf install -y \
         findutils \
         git \
-        golang \
+        golang-1.24.5 \
         gtk3-devel \
         libudev-devel \
         libusbx-devel \
@@ -22,16 +22,16 @@ RUN dnf install -y \
         && \
         dnf clean all
 
-ENV GOPATH /go
-ENV GOCACHE /go/.cache
-ENV PATH "$PATH:$GOPATH/bin"
+ENV GOPATH=/go
+ENV GOCACHE=/go/.cache
+ENV PATH="$PATH:$GOPATH/bin"
 
 # hack, but currently don't bother how to properly setup go in current version
 RUN mkdir /go
 RUN chmod a+rwx /go
 
-RUN go install github.com/tcnksm/ghr@v0.15.0 
-RUN go install github.com/stevenmatthewt/semantics@latest
+RUN go install github.com/tcnksm/ghr@v0.17.0 
+RUN go install github.com/stevenmatthewt/semantics@v2.0.4
 
 # CGO_LDFLAGS_ALLOW='.*' CGO_CFLAGS_ALLOW='.*' CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ CGO_ENABLED=1 GOOS=windows GOARCH=amd64 PKG_CONFIG_PATH=/usr/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig go build -v github.com/MeneDev/yubi-oath-vpn/cmd/yubi-oath-vpn
 # cp /usr/x86_64-w64-mingw32/sys-root/mingw/bin/{libatk-1.0-0.dll,libbz2-1.dll,libcairo-2.dll,libcairo-gobject-2.dll,libepoxy-0.dll,libexpat-1.dll,libffi-6.dll,libfontconfig-1.dll,libfreetype-6.dll,libgcc_s_seh-1.dll,libgdk-3-0.dll,libgdk_pixbuf-2.0-0.dll,libgio-2.0-0.dll,libgit2.dll,libglib-2.0-0.dll,libgmodule-2.0-0.dll,libgobject-2.0-0.dll,libgraphite2.dll,libgtk-3-0.dll,libharfbuzz-0.dll,libiconv-2.dll,libintl-8.dll,libjasper-1.dll,libjpeg-8.dll,libpango-1.0-0.dll,libpangocairo-1.0-0.dll,libpangoft2-1.0-0.dll,libpangowin32-1.0-0.dll,libpcre-1.dll,libpixman-1-0.dll,libpng16-16.dll,libstdc++-6.dll,libwinpthread-1.dll,zlib1.dll} /go/src/github.com/MeneDev/yubi-oath-vpn/release
diff --git a/go.mod b/go.mod
index 144122b..595e32c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/MeneDev/yubi-oath-vpn
 
-go 1.19
+go 1.24
 
 require (
 	github.com/ebfe/scard v0.0.0-20190212122703-c3d1b1916a95