diff --git a/.github/workflows/publishDockerImages.yml b/.github/workflows/publishDockerImages.yml
index 95eb9a8..f917e35 100644
--- a/.github/workflows/publishDockerImages.yml
+++ b/.github/workflows/publishDockerImages.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   DOCKER_IMAGE: "satrapu/postgresql"
-  POSTGRESQL_VERSION: "14.0"
+  POSTGRESQL_VERSION: "15.1"
   DOCKER_HUB_USER: "${{ secrets.DOCKER_HUB_USER }}"
   DOCKER_HUB_TOKEN: "${{ secrets.DOCKER_HUB_TOKEN }}"
 
@@ -24,7 +24,6 @@ jobs:
 
     env:
       CI_PLATFORM: ${{ matrix.os }}
-      EXTRA_BUILD_ARG: 14.0-1
 
     steps:
       - uses: actions/checkout@v1
diff --git a/build.sh b/build.sh
index e0effa5..13b37c1 100644
--- a/build.sh
+++ b/build.sh
@@ -28,7 +28,6 @@ cd ./postgresql
 
 docker image build \
     --build-arg POSTGRESQL_VERSION=$POSTGRESQL_VERSION \
-    --build-arg EXTRA_BUILD_ARG=$EXTRA_BUILD_ARG \
     --file $DOCKERFILE \
     --tag $DOCKER_IMAGE:$VERSION_TAG \
     .
diff --git a/postgresql/Dockerfile.windows b/postgresql/Dockerfile.windows
index 217ea36..0b992ea 100644
--- a/postgresql/Dockerfile.windows
+++ b/postgresql/Dockerfile.windows
@@ -1,17 +1,17 @@
-
 FROM mcr.microsoft.com/windows/servercore:ltsc2022 AS download
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ARG EXTRA_BUILD_ARG
+# Enable long paths.
+# See more here: https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=powershell#enable-long-paths-in-windows-10-version-1607-and-later.
+RUN New-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1 -PropertyType DWORD -Force ;
 
-RUN Invoke-WebRequest $('https://get.enterprisedb.com/postgresql/postgresql-{0}-windows-x64-binaries.zip' -f $env:EXTRA_BUILD_ARG) -OutFile 'postgres.zip' -UseBasicParsing ; \
-    Expand-Archive postgres.zip -DestinationPath C:\ ; \
-    Remove-Item postgres.zip
+# Install PostgreSQL using the binaries provided by EDB, which are found here: https://www.enterprisedb.com/download-postgresql-binaries.
+RUN Invoke-WebRequest "https://sbp.enterprisedb.com/getfile.jsp?fileid=1258228" -OutFile "postgres.zip" -UseBasicParsing ; \
+    Expand-Archive "postgres.zip" -DestinationPath "C:/" ;
 
-RUN Invoke-WebRequest 'http://download.microsoft.com/download/0/6/4/064F84EA-D1DB-4EAA-9A5C-CC2F0FF6A638/vc_redist.x64.exe' -OutFile vcredist_x64.exe ; \
-    Start-Process vcredist_x64.exe -ArgumentList '/install', '/passive', '/norestart' -NoNewWindow -Wait ; \
-    Remove-Item vcredist_x64.exe
+RUN Invoke-WebRequest "http://download.microsoft.com/download/0/6/4/064F84EA-D1DB-4EAA-9A5C-CC2F0FF6A638/vc_redist.x64.exe" -OutFile "vcredist_x64.exe" ; \
+    Start-Process "vcredist_x64.exe" -ArgumentList "/install", "/passive", "/norestart" -NoNewWindow -Wait ;
 
 FROM mcr.microsoft.com/windows/nanoserver:ltsc2022
 
@@ -21,7 +21,7 @@ COPY --from=download /pgsql /pgsql
 COPY --from=download /windows/system32/VCRUNTIME140.dll /pgsql/bin/VCRUNTIME140.dll
 COPY --from=download /windows/system32/msvcp140.dll /pgsql/bin/msvcp140.dll
 
-RUN setx /M PATH "C:\pgsql\bin;%PATH%"
+RUN setx /M PATH "C:/pgsql/bin;%PATH%"
 
 EXPOSE 5432
 
@@ -43,4 +43,4 @@ RUN pg_ctl -D "C:/pgsql/data" start && \
     dropdb ContainerUser && \
     pg_ctl -D "C:/pgsql/data" stop
 
-CMD ["C:/pgsql/bin/postgres.exe", "-D", "C:/pgsql/data"]
+CMD ["C:/pgsql/bin/postgres.exe", "-D", "C:/pgsql/data"]
\ No newline at end of file
diff --git a/postgresql/README.md b/postgresql/README.md
index cc460d6..746b427 100644
--- a/postgresql/README.md
+++ b/postgresql/README.md
@@ -15,7 +15,7 @@ docker container run \
   --detach \
   -p 5432:5432 \
   -v postgresql_linux_data:/var/lib/postgresql/data \
-  satrapu/postgresql:14.0-linux
+  satrapu/postgresql:15.1-linux
 ```
 
 ### On Windows with PowerShell
@@ -29,7 +29,7 @@ docker container run `
   --detach `
   -p 5432:5432 `
   -v postgresql_windows_data:C:/pgsql/data `
-  satrapu/postgresql:14.0-windows
+  satrapu/postgresql:15.1-windows
 ```
 
 **IMPORTANT** A user `postgres` with default password `postgres` has been added to the container.
@@ -39,7 +39,7 @@ docker container run `
 ### On Linux with Bash
 
 ```shell
-export VERSION=14.0
+export VERSION=15.1
 
 docker image build \
   --build-arg VERSION=$POSTGRESQL_VERSION \
@@ -54,12 +54,10 @@ docker image push satrapu/postgresql:$POSTGRESQL_VERSION-linux
 ### On Windows with PowerShell
 
 ```powershell
-export POSTGRESQL_VERSION=14.0
-export EXTRA_BUILD_ARG=14.0-1
+export POSTGRESQL_VERSION=15.1
 
 docker image build `
   --build-arg POSTGRESQL_VERSION=$POSTGRESQL_VERSION `
-  --build-arg EXTRA_BUILD_ARG=$EXTRA_BUILD_ARG `
   --file Dockerfile.windows `
   --tag satrapu/postgresql:latest-windows satrapu/postgresql:$POSTGRESQL_VERSION-windows `
   .