diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 0fffed1c2bb..73a55a48830 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -33,6 +33,7 @@ jobs:
         php-version:
           - "7.4"
           - "8.5"
+          - "8.6"
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b7b7084dedc..09da606d205 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -29,6 +29,7 @@ jobs:
           - "8.3"
           - "8.4"
           - "8.5"
+          - "8.6"
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/phar.yml b/.github/workflows/phar.yml
index 92d2f13a9bc..23ff1d5ffe9 100644
--- a/.github/workflows/phar.yml
+++ b/.github/workflows/phar.yml
@@ -339,7 +339,8 @@ jobs:
     # packages ZTS PHP (neither ppa:ondrej/php nor Alpine); setup-php
     # provides thread-safe builds. No musl ZTS for the same packaging
     # reason.
-    container: ${{ matrix.target.family == 'gnu' && format('ghcr.io/phpstan/turbo-build:gnu-php{0}', matrix.php-version) || matrix.target.container }}
+    # alpine 3.24 carries php83 to php85, php86 only exists in edge so far
+    container: ${{ matrix.target.family == 'gnu' && format('ghcr.io/phpstan/turbo-build:gnu-php{0}', matrix.php-version) || (matrix.target.family == 'musl' && matrix.php-version == '8.6' && 'alpine:edge') || matrix.target.container }}
     timeout-minutes: 30
 
     env:
@@ -348,7 +349,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
         target:
           - name: "linux-gnu-x86_64"
             runs-on: "ubuntu-latest"
@@ -398,7 +399,9 @@ jobs:
         if: matrix.target.family == 'musl'
         run: |
           V="$(echo "$PHP_MINOR" | tr -d .)"
-          apk add --no-cache bash curl git make g++ musl-dev linux-headers patch tar zstd \
+          # php86 is only in edge/testing so far, php83 to php85 are in the stable repos
+          [ "$PHP_MINOR" = "8.6" ] && APK_REPO="--repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing" || APK_REPO=""
+          apk add --no-cache $APK_REPO bash curl git make g++ musl-dev linux-headers patch tar zstd \
             "php$V" "php$V-dev" "php$V-ctype" "php$V-curl" "php$V-mbstring" \
             "php$V-tokenizer" "php$V-iconv" "php$V-openssl" "php$V-phar" \
             "php$V-dom" "php$V-xml" "php$V-xmlwriter" "php$V-simplexml"
@@ -545,7 +548,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
@@ -564,17 +567,22 @@ jobs:
           fetch-depth: 0
 
       - name: "Start the Alpine build container"
+        env:
+          # alpine 3.24 carries php83 to php85, php86 only exists in edge so far
+          ALPINE_IMAGE: ${{ matrix.php-version == '8.6' && 'alpine:edge' || 'alpine:3.24' }}
         run: |
           docker run -d --name alpine-build \
             -v "$PWD:/work" -w /work \
             -e PHP_MINOR -e COMPOSER_VERSION -e COMPOSER_PHAR_SHA256 \
-            alpine:3.24 sleep 7200
+            "$ALPINE_IMAGE" sleep 7200
 
       - name: "Install PHP and build tools"
         run: |
           docker exec -i alpine-build sh -e <<'EOF'
           V="$(echo "$PHP_MINOR" | tr -d .)"
-          apk add --no-cache bash curl git make g++ musl-dev linux-headers patch tar zstd \
+          # php86 is only in edge/testing so far, php83 to php85 are in the stable repos
+          [ "$PHP_MINOR" = "8.6" ] && APK_REPO="--repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing" || APK_REPO=""
+          apk add --no-cache $APK_REPO bash curl git make g++ musl-dev linux-headers patch tar zstd \
             "php$V" "php$V-dev" "php$V-ctype" "php$V-curl" "php$V-mbstring" \
             "php$V-tokenizer" "php$V-iconv" "php$V-openssl" "php$V-phar" \
             "php$V-dom" "php$V-xml" "php$V-xmlwriter" "php$V-simplexml"
@@ -795,7 +803,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
         ts: ["nts", "zts"]
         # The official 8.3 Windows binaries are built with VS16 (linker
         # 14.2x) and PHP's module loader is one-directional (module toolset
@@ -810,6 +818,8 @@ jobs:
             vs: "vs17"
           - php-version: "8.5"
             vs: "vs17"
+          - php-version: "8.6"
+            vs: "vs18"
 
     steps:
       - name: "Checkout"
@@ -843,8 +853,10 @@ jobs:
           INFIX=$([ "$MATRIX_TS" = "zts" ] && echo "" || echo "-nts")
           PACK="php-devel-pack-$FULL$INFIX-Win32-$MATRIX_VS-x64.zip"
           echo "devel pack: $PACK"
+          # betas and RCs are published under downloads/qa, released versions are not
           curl -fsSLo devel-pack.zip "https://windows.php.net/downloads/releases/$PACK" \
-            || curl -fsSLo devel-pack.zip "https://windows.php.net/downloads/releases/archives/$PACK"
+            || curl -fsSLo devel-pack.zip "https://windows.php.net/downloads/releases/archives/$PACK" \
+            || curl -fsSLo devel-pack.zip "https://windows.php.net/downloads/qa/$PACK"
           unzip -q devel-pack.zip -d /c/php-devel
 
           git clone -q https://github.com/php/php-sdk-binary-tools.git /c/php-sdk
@@ -989,7 +1001,7 @@ jobs:
       # vs17-built official PHP loads it fine.
       matrix:
         operating-system: ["ubuntu-latest", "windows-latest"]
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
         ts: ["nts", "zts"]
         script: ["make tests", "make phpstan"]
         # macOS runs the shipped ad-hoc-signed arm64 binary; there is no
@@ -1085,7 +1097,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["7.4", "8.0", "8.1", "8.2", "8.3", "8.4", "8.5"]
+        php-version: ["7.4", "8.0", "8.1", "8.2", "8.3", "8.4", "8.5", "8.6"]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/reflection-golden-test.yml b/.github/workflows/reflection-golden-test.yml
index 577761982fb..0408433fb14 100644
--- a/.github/workflows/reflection-golden-test.yml
+++ b/.github/workflows/reflection-golden-test.yml
@@ -72,6 +72,7 @@ jobs:
           - "8.3"
           - "8.4"
           - "8.5"
+          - "8.6"
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index d5c74ba2b5b..2c35ca86165 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -35,6 +35,7 @@ jobs:
           - "8.3"
           - "8.4"
           - "8.5"
+          - "8.6"
         operating-system: [ubuntu-latest, windows-latest]
 
     steps:
@@ -98,6 +99,7 @@ jobs:
           - "8.3"
           - "8.4"
           - "8.5"
+          - "8.6"
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1ba00dcffdc..43bbc64fd39 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -35,6 +35,7 @@ jobs:
           - "8.3"
           - "8.4"
           - "8.5"
+          - "8.6"
         operating-system: [ ubuntu-latest, windows-latest ]
 
     steps:
diff --git a/.github/workflows/turbo-build-image.yml b/.github/workflows/turbo-build-image.yml
index e7e0e9a5817..6091c452792 100644
--- a/.github/workflows/turbo-build-image.yml
+++ b/.github/workflows/turbo-build-image.yml
@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
         platform:
           - arch: "amd64"
             runs-on: "ubuntu-latest"
@@ -97,7 +97,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: ["8.3", "8.4", "8.5"]
+        php-version: ["8.3", "8.4", "8.5", "8.6"]
 
     env:
       TAG: "ghcr.io/phpstan/turbo-build:gnu-php${{ matrix.php-version }}"
diff --git a/conf/parametersSchema.neon b/conf/parametersSchema.neon
index 5d968573089..8b6d821fe97 100644
--- a/conf/parametersSchema.neon
+++ b/conf/parametersSchema.neon
@@ -116,10 +116,10 @@ parametersSchema:
 		loadLimit: schema(float(), nullable())
 	])
 	phpVersion: schema(anyOf(
-		schema(int(), min(70100), max(80599)),
+		schema(int(), min(70100), max(80699)),
 		structure([
-			min: schema(int(), min(70100), max(80599)),
-			max: schema(int(), min(70100), max(80599))
+			min: schema(int(), min(70100), max(80699)),
+			max: schema(int(), min(70100), max(80699))
 		])
 	), nullable())
 	polluteScopeWithLoopInitialAssignments: bool()
diff --git a/e2e/composer-min-open-end-version/test.php b/e2e/composer-min-open-end-version/test.php
index 9ed998185b8..794040a57f2 100644
--- a/e2e/composer-min-open-end-version/test.php
+++ b/e2e/composer-min-open-end-version/test.php
@@ -1,6 +1,6 @@
 <?php
 
-\PHPStan\Testing\assertType('int<80100, 80599>', PHP_VERSION_ID);
+\PHPStan\Testing\assertType('int<80100, 80699>', PHP_VERSION_ID);
 \PHPStan\Testing\assertType('8', PHP_MAJOR_VERSION);
-\PHPStan\Testing\assertType('int<1, 5>', PHP_MINOR_VERSION);
+\PHPStan\Testing\assertType('int<1, 6>', PHP_MINOR_VERSION);
 \PHPStan\Testing\assertType('int<0, max>', PHP_RELEASE_VERSION);
diff --git a/e2e/composer-min-version/test.php b/e2e/composer-min-version/test.php
index 9ed998185b8..794040a57f2 100644
--- a/e2e/composer-min-version/test.php
+++ b/e2e/composer-min-version/test.php
@@ -1,6 +1,6 @@
 <?php
 
-\PHPStan\Testing\assertType('int<80100, 80599>', PHP_VERSION_ID);
+\PHPStan\Testing\assertType('int<80100, 80699>', PHP_VERSION_ID);
 \PHPStan\Testing\assertType('8', PHP_MAJOR_VERSION);
-\PHPStan\Testing\assertType('int<1, 5>', PHP_MINOR_VERSION);
+\PHPStan\Testing\assertType('int<1, 6>', PHP_MINOR_VERSION);
 \PHPStan\Testing\assertType('int<0, max>', PHP_RELEASE_VERSION);
diff --git a/e2e/composer-no-versions/test.php b/e2e/composer-no-versions/test.php
index 3cae7a0628f..ff19dad613f 100644
--- a/e2e/composer-no-versions/test.php
+++ b/e2e/composer-no-versions/test.php
@@ -1,6 +1,6 @@
 <?php
 
-\PHPStan\Testing\assertType('int<50207, 80599>', PHP_VERSION_ID);
+\PHPStan\Testing\assertType('int<50207, 80699>', PHP_VERSION_ID);
 \PHPStan\Testing\assertType('int<5, 8>', PHP_MAJOR_VERSION);
 \PHPStan\Testing\assertType('int<0, max>', PHP_MINOR_VERSION);
 \PHPStan\Testing\assertType('int<0, max>', PHP_RELEASE_VERSION);
diff --git a/src/Php/PhpVersionFactory.php b/src/Php/PhpVersionFactory.php
index 73f510e0dca..3f7d455ed99 100644
--- a/src/Php/PhpVersionFactory.php
+++ b/src/Php/PhpVersionFactory.php
@@ -13,7 +13,7 @@ final class PhpVersionFactory
 {
 
 	public const MIN_PHP_VERSION = 70100;
-	public const MAX_PHP_VERSION = 80599;
+	public const MAX_PHP_VERSION = 80699;
 	public const MAX_PHP5_VERSION = 50699;
 	public const MAX_PHP7_VERSION = 70499;
 
diff --git a/tests/PHPStan/Analyser/ScopePhpVersionTest.php b/tests/PHPStan/Analyser/ScopePhpVersionTest.php
index 193a55c53cf..0c68a2bc87b 100644
--- a/tests/PHPStan/Analyser/ScopePhpVersionTest.php
+++ b/tests/PHPStan/Analyser/ScopePhpVersionTest.php
@@ -15,11 +15,11 @@ public static function dataTestPhpVersion(): array
 	{
 		return [
 			[
-				'int<80000, 80599>',
+				'int<80000, 80699>',
 				__DIR__ . '/data/scope-constants-global.php',
 			],
 			[
-				'int<80000, 80599>',
+				'int<80000, 80699>',
 				__DIR__ . '/data/scope-constants-namespace.php',
 			],
 		];
diff --git a/tests/PHPStan/Analyser/nsrt/node-callback-scope.php b/tests/PHPStan/Analyser/nsrt/node-callback-scope.php
index 85519a3c71c..01a88340dc9 100644
--- a/tests/PHPStan/Analyser/nsrt/node-callback-scope.php
+++ b/tests/PHPStan/Analyser/nsrt/node-callback-scope.php
@@ -479,7 +479,7 @@ function doFoo(): void {
 }
 
 function (): void {
-	assertType('int<50207, 80599>', PHP_VERSION_ID);
+	assertType('int<50207, 80699>', PHP_VERSION_ID);
 };
 
 function (int $i) {
diff --git a/tests/PHPStan/Analyser/nsrt/predefined-constants.php b/tests/PHPStan/Analyser/nsrt/predefined-constants.php
index 7c38d3833b5..95961c5acaf 100644
--- a/tests/PHPStan/Analyser/nsrt/predefined-constants.php
+++ b/tests/PHPStan/Analyser/nsrt/predefined-constants.php
@@ -7,7 +7,7 @@
 assertType('int<5, 8>', PHP_MAJOR_VERSION);
 assertType('int<0, max>', PHP_MINOR_VERSION);
 assertType('int<0, max>', PHP_RELEASE_VERSION);
-assertType('int<50207, 80599>', PHP_VERSION_ID);
+assertType('int<50207, 80699>', PHP_VERSION_ID);
 assertType('string', PHP_EXTRA_VERSION);
 assertType('0|1', PHP_ZTS);
 assertType('0|1', PHP_DEBUG);
diff --git a/tests/PHPStan/Php/PhpVersionFactoryTest.php b/tests/PHPStan/Php/PhpVersionFactoryTest.php
index 3687e60e075..ba7db2df2b1 100644
--- a/tests/PHPStan/Php/PhpVersionFactoryTest.php
+++ b/tests/PHPStan/Php/PhpVersionFactoryTest.php
@@ -93,8 +93,14 @@ public static function dataCreate(): array
 			[
 				null,
 				'8.6',
-				80599,
-				'8.5.99',
+				80600,
+				'8.6',
+			],
+			[
+				null,
+				'8.7',
+				80699,
+				'8.6.99',
 			],
 		];
 	}