diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b39e0ec..04fc371 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
- name: Update Build Environment
run: sudo apt-get update --fix-missing -y
- name: Install Prerequisites
- run: sudo apt-get install -y cppcheck zlib1g-dev libpng16-dev
+ run: sudo apt-get install -y cppcheck zlib1g-dev libpng-dev
- name: Configure PDFio
run: ./configure --enable-debug --enable-sanitizer --enable-maintainer
- name: Build PDFio
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 74ca2aa..5b65ee2 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -32,7 +32,7 @@ jobs:
run: sudo apt-get update --fix-missing -y
- name: Install Prerequisites
- run: sudo apt-get install -y zlib1g-dev
+ run: sudo apt-get install -y zlib1g-dev libpng-dev
- name: Initialize CodeQL
uses: github/codeql-action/init@v2
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index 1f36815..30d9158 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -12,7 +12,7 @@ jobs:
- name: Update Build Environment
run: sudo apt-get update --fix-missing -y
- name: Install Prerequisites
- run: sudo apt-get install -y zlib1g-dev
+ run: sudo apt-get install -y zlib1g-dev libpng-dev
- name: Download Coverity Build Tool
run: |
wget -q https://scan.coverity.com/download/linux64 --post-data token="$TOKEN&project=$GITHUB_REPOSITORY" -O cov-analysis-linux64.tar.gz
diff --git a/packages.config b/packages.config
index ddf68c6..d886550 100644
--- a/packages.config
+++ b/packages.config
@@ -1,5 +1,7 @@
+
+
\ No newline at end of file
diff --git a/pdfio.vcxproj b/pdfio.vcxproj
index 81687d4..7fc38b9 100644
--- a/pdfio.vcxproj
+++ b/pdfio.vcxproj
@@ -172,6 +172,8 @@
+
+
diff --git a/testpdfio.vcxproj b/testpdfio.vcxproj
index 778fddc..881e0c9 100644
--- a/testpdfio.vcxproj
+++ b/testpdfio.vcxproj
@@ -153,6 +153,8 @@
+
+