diff --git a/ports/boinc/fix-base64-header.patch b/ports/boinc/fix-base64-header.patch
new file mode 100644
index 0000000000..55914a6966
--- /dev/null
+++ b/ports/boinc/fix-base64-header.patch
@@ -0,0 +1,17 @@
+diff --git a/lib/base64.h b/lib/base64.h
+index 0a4ad0e220d..9c8ea95d045 100644
+--- a/lib/base64.h
++++ b/lib/base64.h
+@@ -18,11 +18,8 @@
+ #ifndef BOINC_BASE64_H
+ #define BOINC_BASE64_H
+ 
+-#ifndef _WIN32
+-#include <cstdio>
+-#include <cstdlib>
++#include <stddef.h>
+ #include <string>
+-#endif
+ 
+ class InvalidBase64Exception
+ {
diff --git a/ports/boinc/portfile.cmake b/ports/boinc/portfile.cmake
index 182482907d..dbb60396c8 100644
--- a/ports/boinc/portfile.cmake
+++ b/ports/boinc/portfile.cmake
@@ -4,8 +4,10 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO BOINC/boinc
     REF "client_release/${MAJOR_MINOR}/${VERSION}"
-    SHA512 68b008d8208fe8077726ec49657b76a76f3c30b3ac247cd09cf7c97b2cde126f92048fc812bf2df4cca343566654021f4a0dadb02db0ec8b91d57868cea2387d
+    SHA512 e3984f66e37f8d677696a15b9c6fa363e55c6cd4895a0d39580f2cae02049c1ac494c70603ef5b5d15df1228d7bd322fffdbde6a2cf5ec60a3c968e82dcd647a
     HEAD_REF master
+    PATCHES
+        fix-base64-header.patch # https://github.com/BOINC/boinc/pull/7205
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
diff --git a/ports/boinc/vcpkg.json b/ports/boinc/vcpkg.json
index 40a2b0452a..7b1459d9ca 100644
--- a/ports/boinc/vcpkg.json
+++ b/ports/boinc/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "boinc",
-  "version": "8.2.13",
+  "version": "8.2.15",
   "description": "Open-source software for volunteer computing and grid computing.",
   "homepage": "https://boinc.berkeley.edu/",
   "license": "LGPL-3.0-or-later",
diff --git a/versions/b-/boinc.json b/versions/b-/boinc.json
index 12508af4f8..0b9183302b 100644
--- a/versions/b-/boinc.json
+++ b/versions/b-/boinc.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b4cea3c49b1b3ce71ed4523f887824e38f341c84",
+      "version": "8.2.15",
+      "port-version": 0
+    },
     {
       "git-tree": "8b0a7d121590b4e866e9c5cc25a906350b235e76",
       "version": "8.2.13",
diff --git a/versions/baseline.json b/versions/baseline.json
index dd498496a4..4a73528cdc 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -805,7 +805,7 @@
       "port-version": 0
     },
     "boinc": {
-      "baseline": "8.2.13",
+      "baseline": "8.2.15",
       "port-version": 0
     },
     "boolinq": {